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CALSCALE:GREGORIAN
UID:66636135-6331-4633-b237-326461353761
X-WR-TIMEZONE:UTC
X-WR-CALNAME:IAS Physics-external
BEGIN:VEVENT
UID:37306233-3664-4365-a663-323535653362
DTSTAMP:20230602T224133Z
CREATED:20230112T140148Z
DESCRIPTION:Topic: Quantum Information\, Dynamics and Ergodicity: From Many
-Body Systems to Gravity\n\nFree\, but required registration [https://form
s.gle/jnkJ812oiBhPSpmH8]\nis now open for the PCTS workshop\, QUANTUM INFO
RMATION\, DYNAMICS AND\nERGODICITY: FROM MANY-BODY SYSTEMS TO GRAVITY\n[ht
tps://pcts.princeton.edu/events/2023/quantum-information-dynamics-and-ergo
dicity-many-body-systems-gravity]\n\nDetails can be found on the attached
flyer and the website at\nPrinceton Center for Theoretical Science [https:
//pcts.princeton.edu/]\n\nABSTRACT: Ideas from quantum information theory\
, quantum chaos and\nrandom matrix theory increasingly form a common langu
age across\ntheoretical physics. They have proved crucial to understanding
both\nthe mechanisms of thermalization in closed many-body quantum system
s\nand the emergence of spacetime in quantum gravity. This workshop aims\n
to foster new connections between the communities working on such\ntopics\
, specifically researchers working on dynamics\, ergodicity\, and\nmeasure
ments in many-body quantum systems\, quantum field theory\, and\ngravity.
DTSTART:20230302T140000Z
DTEND:20230302T220000Z
LAST-MODIFIED:20230112T140207Z
LOCATION:Jadwin Hall\, PCTS Room 407
SUMMARY:Princeton University PCTS Workshop
URL:https://www.ias.edu/events/princeton-university-pcts-workshop-2
END:VEVENT
BEGIN:VEVENT
UID:61626337-6139-4831-a432-626232326438
DTSTAMP:20230602T224133Z
CREATED:20230224T194328Z
DESCRIPTION:Topic: From Quantum Circuits to Gravity inside the Black Hole\n
\nSpeakers: Ying Zhao\n\nAffiliation: University of California\, Santa Bar
bara\n\nABSTRACT: Black holes have not just become laboratories for\nastro
nomers\, but also present some of the deepest unsolved problems in\ntheore
tical physics. During the past decade scientists learned that\nconcepts fr
om quantum information play a key role in understanding\nfundamental probl
ems in gravity. In this talk I will explain some\nrecent and ongoing work
along these lines. In particular\, we will see\nhow the dynamics in the bl
ack hole interior emerges from dynamics of a\nquantum circuit.
DTSTART:20230302T210000Z
DTEND:20230302T220000Z
LAST-MODIFIED:20230224T194608Z
LOCATION:Joseph Henry Room
SUMMARY:Princeton University Special Physics Seminar
URL:https://www.ias.edu/sns/events/princeton-university-special-physics-sem
inar
END:VEVENT
BEGIN:VEVENT
UID:64316566-3436-4433-a463-336364616663
DTSTAMP:20230602T224133Z
CREATED:20230112T210133Z
DESCRIPTION:Topic: Pushing the Boundaries of Relativistic Fluid Dynamics\n
\nSpeakers: Jorge Noronha\n\nAffiliation: UIUC\n\nABSTRACT: Heavy-ion coll
ision experiments have provided overwhelming\nevidence that quarks and glu
ons can flow as a nearly frictionless\,\nstrongly interacting relativistic
fluid over distance scales not much\nlarger than the size of a proton. On
the other hand\, with the dawn of\nthe multi-messenger astronomy era mark
ed by the detection of a binary\nneutron star merger\, it became imperativ
e to understand how extremely\ndense fluids behave under very strong gravi
tational fields. Therefore\,\ncutting-edge experimental apparatus in moder
n science\, such as the\nRelativistic Heavy Ion Collider (RHIC)\, the Larg
e Hadron Collider\n(LHC)\, and the Laser Interferometer Gravitational-Wave
Observatory\n(LIGO) are now taking data whose description requires pushin
g the\nboundaries of our current understanding of fluid dynamics. In this
\ntalk I will present the new developments that have contributed to\nredef
ine the onset of relativistic fluid dynamics and its extension\ntowards th
e far-from-equilibrium regime. I will show how first-order\ntheories that
are causal and stable can be systematically derived from\nrelativistic kin
etic theory using a modification of the Chapman-Enskog\nseries. The questi
on of whether the relativistic hydrodynamic\nderivative expansion converge
s\, or not\, will also be discussed.
DTSTART:20230306T173000Z
DTEND:20230306T183000Z
LAST-MODIFIED:20230224T194758Z
LOCATION:Princeton University\, Jadwin Hall\, Princeton Gravity Initiative\
, 4th Floor & Zoom
SUMMARY:Princeton University Gravity Initiative Spring Seminar Series
URL:https://www.ias.edu/sns/events/princeton-university-gravity-initiative-
spring-seminar-series-5
END:VEVENT
BEGIN:VEVENT
UID:64643935-6361-4133-b566-326162616431
DTSTAMP:20230602T224133Z
CREATED:20230309T143559Z
DESCRIPTION:Topic: Mathematical Challenges in Quantum Physics\n\nFree\, but
required registration [https://forms.gle/jnkJ812oiBhPSpmH8]\nis now open
for the PCTS workshop\, MATHEMATICAL CHALLENGES IN QUANTUM\nPHYSICS\n[http
s://docs.google.com/forms/d/e/1FAIpQLScrs1WuLTJGFRXBwNIiktZXxoz9q9ArjDKiFt
PiWSqc7V8zfg/viewform]\n\nDetails can be found here\n[https://pcts.princet
on.edu/sites/g/files/toruqf1126/files/documents/Agenda-Draft_Math3.3.23.pd
f]or\non the website at Princeton Center for Theoretical Science\n[https:/
/pcts.princeton.edu/]\n\nPLEASE NOTE: This workshop is not open to the gen
eral public\, but\nonly to active researchers.\n\nORGANIZERS: Michael Aize
nman (Princeton)\, Giorgio Cipolloni (PCTS)\,\nBruno Nachtergaele (UC Davi
s)\, Jacob Shapiro (Princeton)\, and Simone\nWarzel (TU Munich)\n\nABSTRAC
T: Current research on quantum systems continually offers new\nchallenging
mathematical problems. This workshop aims to bring\ntogether a group of r
esearchers with diverse backgrounds in condensed\nmatter physics\, quantum
information\, probability theory\, and\nmathematical physics\, with the
hope of generating new perspectives on\nproblems arising from the study of
quantum circuits with disorder and\nnoise\, random matrices\, quantum gla
sses\, transport properties of open\nand driven systems\, topological sta
tes of matter\, entanglement phase\ntransitions\, and more.
DTSTART:20230320T130000Z
DTEND:20230320T210000Z
LAST-MODIFIED:20230309T144324Z
LOCATION:Jadwin Hall\, PCTS Room 407
SUMMARY:Princeton University PCTS Workshop
URL:https://www.ias.edu/events/princeton-university-pcts-workshop-3
END:VEVENT
BEGIN:VEVENT
UID:62623732-3038-4436-b434-306537616364
DTSTAMP:20230602T224133Z
CREATED:20230112T210224Z
DESCRIPTION:Topic: Azimuthal Instabilities on Extremal Black Holes\n\nSpeak
ers: Dejan Gajic\n\nAffiliation: University of Leipzig\n\nABSTRACT: When K
err black holes rotate at their maximally allowed\nangular velocity\, they
are said to be extremal. Extremal black holes\nare critical solutions to
Einstein’s equations of general\nrelativity. They exhibit several interest
ing phenomena that are not\npresent in more slowly rotating black holes. I
will introduce recent\nwork on the existence of strong asymptotic instabi
lities of a\nnon-axisymmetric nature for scalar waves propagating on extre
mal Kerr\nblack hole backgrounds and I will discuss the connection with\np
reviously known axisymmetric instabilities as well as late-time power\nlaw
tails in gravitational radiation. If time permits\, I will discuss\nthe m
echanism for deriving these tails and compare it with previous\nwork on su
b-extremal black holes.
DTSTART:20230320T163000Z
DTEND:20230320T173000Z
LAST-MODIFIED:20230309T144638Z
LOCATION:Princeton University\, Jadwin Hall\, Princeton Gravity Initiative\
, 4th Floor & Zoom
SUMMARY:Princeton University Gravity Initiative Spring Seminar Series
URL:https://www.ias.edu/sns/events/princeton-university-gravity-initiative-
spring-seminar-series-6
END:VEVENT
BEGIN:VEVENT
UID:37373633-3364-4139-b664-383764616539
DTSTAMP:20230602T224133Z
CREATED:20230309T143947Z
DESCRIPTION:Topic: Mathematical Challenges in Quantum Physics\n\nFree\, but
required registration [https://forms.gle/jnkJ812oiBhPSpmH8]\nis now open
for the PCTS workshop\, MATHEMATICAL CHALLENGES IN QUANTUM\nPHYSICS\n[http
s://docs.google.com/forms/d/e/1FAIpQLScrs1WuLTJGFRXBwNIiktZXxoz9q9ArjDKiFt
PiWSqc7V8zfg/viewform]\n\nDetails can be found here\n[https://pcts.princet
on.edu/sites/g/files/toruqf1126/files/documents/Agenda-Draft_Math3.3.23.pd
f]or\non the website at Princeton Center for Theoretical Science\n[https:/
/pcts.princeton.edu/]\n\nPLEASE NOTE: This workshop is not open to the gen
eral public\, but\nonly to active researchers.\n\nORGANIZERS: Michael Aize
nman (Princeton)\, Giorgio Cipolloni (PCTS)\,\nBruno Nachtergaele (UC Davi
s)\, Jacob Shapiro (Princeton)\, and Simone\nWarzel (TU Munich)\n\nABSTRAC
T: Current research on quantum systems continually offers new\nchallenging
mathematical problems. This workshop aims to bring\ntogether a group of r
esearchers with diverse backgrounds in condensed\nmatter physics\, quantum
information\, probability theory\, and\nmathematical physics\, with the
hope of generating new perspectives on\nproblems arising from the study of
quantum circuits with disorder and\nnoise\, random matrices\, quantum gla
sses\, transport properties of open\nand driven systems\, topological sta
tes of matter\, entanglement phase\ntransitions\, and more.
DTSTART:20230321T130000Z
DTEND:20230321T210000Z
LAST-MODIFIED:20230309T144350Z
LOCATION:Jadwin Hall\, PCTS Room 407
SUMMARY:Princeton University PCTS Workshop
URL:https://www.ias.edu/events/princeton-university-pcts-workshop-4
END:VEVENT
BEGIN:VEVENT
UID:63346630-3438-4235-b763-623037363134
DTSTAMP:20230602T224133Z
CREATED:20230309T144732Z
DESCRIPTION:Topic: Exactly Solved Models of Chaotic Dynamics in Quantum Spi
n Systems\n\nSpeakers: Tomaž Prosen\n\nAffiliation: University of Ljublija
na\n\nABSTRACT: I will discuss the problem of unreasonable\neffectiveness
of random matrix theory for description of spectral\nfluctuations in exten
ded quantum lattice systems. A class of locally\ninteracting spin systems
has been recently identified where the\nspectral form factor is proven to
match with random matrix theory\,\nand where spatiotemporal correlation fu
nctions of local observables\nas well as some measures of dynamical comple
xity can be calculated\nanalytically. These\, so-called dual unitary syste
ms\, include\nintegrable\, non-ergodic\, ergodic\, and generically\,\n(max
imally) chaotic cases. After reviewing the basic\nproperties of dual unita
ry Floquet circuits\, I will argue that\ncorrelation functions of these mo
dels are generally perturbatively\nstable with respect to breaking dual-un
itarity\, and describe a simple\nresult within this framework.
DTSTART:20230321T200000Z
DTEND:20230321T210000Z
LAST-MODIFIED:20230309T144933Z
LOCATION:Jadwin Hall A-10
SUMMARY:Princeton University Donald R. Hamilton Colloquium Series
URL:https://www.ias.edu/sns/events/princeton-university-donald-r-hamilton-c
olloquium-series-6
END:VEVENT
BEGIN:VEVENT
UID:65626235-3132-4965-a336-353137333963
DTSTAMP:20230602T224133Z
CREATED:20230309T144011Z
DESCRIPTION:Topic: Mathematical Challenges in Quantum Physics\n\nFree\, but
required registration [https://forms.gle/jnkJ812oiBhPSpmH8]\nis now open
for the PCTS workshop\, MATHEMATICAL CHALLENGES IN QUANTUM\nPHYSICS\n[http
s://docs.google.com/forms/d/e/1FAIpQLScrs1WuLTJGFRXBwNIiktZXxoz9q9ArjDKiFt
PiWSqc7V8zfg/viewform]\n\nDetails can be found here\n[https://pcts.princet
on.edu/sites/g/files/toruqf1126/files/documents/Agenda-Draft_Math3.3.23.pd
f]or\non the website at Princeton Center for Theoretical Science\n[https:/
/pcts.princeton.edu/]\n\nPLEASE NOTE: This workshop is not open to the gen
eral public\, but\nonly to active researchers.\n\nORGANIZERS: Michael Aize
nman (Princeton)\, Giorgio Cipolloni (PCTS)\,\nBruno Nachtergaele (UC Davi
s)\, Jacob Shapiro (Princeton)\, and Simone\nWarzel (TU Munich)\n\nABSTRAC
T: Current research on quantum systems continually offers new\nchallenging
mathematical problems. This workshop aims to bring\ntogether a group of r
esearchers with diverse backgrounds in condensed\nmatter physics\, quantum
information\, probability theory\, and\nmathematical physics\, with the
hope of generating new perspectives on\nproblems arising from the study of
quantum circuits with disorder and\nnoise\, random matrices\, quantum gla
sses\, transport properties of open\nand driven systems\, topological sta
tes of matter\, entanglement phase\ntransitions\, and more.
DTSTART:20230322T130000Z
DTEND:20230322T210000Z
LAST-MODIFIED:20230309T144418Z
LOCATION:Jadwin Hall\, PCTS Room 407
SUMMARY:Princeton University PCTS Workshop
URL:https://www.ias.edu/events/princeton-university-pcts-workshop-5
END:VEVENT
BEGIN:VEVENT
UID:32346562-3566-4964-a230-663131383732
DTSTAMP:20230602T224133Z
CREATED:20230309T144145Z
DESCRIPTION:Topic: Mathematical Challenges in Quantum Physics\n\nFree\, but
required registration [https://forms.gle/jnkJ812oiBhPSpmH8]\nis now open
for the PCTS workshop\, MATHEMATICAL CHALLENGES IN QUANTUM\nPHYSICS\n[http
s://docs.google.com/forms/d/e/1FAIpQLScrs1WuLTJGFRXBwNIiktZXxoz9q9ArjDKiFt
PiWSqc7V8zfg/viewform]\n\nDetails can be found here\n[https://pcts.princet
on.edu/sites/g/files/toruqf1126/files/documents/Agenda-Draft_Math3.3.23.pd
f]or\non the website at Princeton Center for Theoretical Science\n[https:/
/pcts.princeton.edu/]\n\nPLEASE NOTE: This workshop is not open to the gen
eral public\, but\nonly to active researchers.\n\nORGANIZERS: Michael Aize
nman (Princeton)\, Giorgio Cipolloni (PCTS)\,\nBruno Nachtergaele (UC Davi
s)\, Jacob Shapiro (Princeton)\, and Simone\nWarzel (TU Munich)\n\nABSTRAC
T: Current research on quantum systems continually offers new\nchallenging
mathematical problems. This workshop aims to bring\ntogether a group of r
esearchers with diverse backgrounds in condensed\nmatter physics\, quantum
information\, probability theory\, and\nmathematical physics\, with the
hope of generating new perspectives on\nproblems arising from the study of
quantum circuits with disorder and\nnoise\, random matrices\, quantum gla
sses\, transport properties of open\nand driven systems\, topological sta
tes of matter\, entanglement phase\ntransitions\, and more.
DTSTART:20230323T130000Z
DTEND:20230323T210000Z
LAST-MODIFIED:20230309T144243Z
LOCATION:Jadwin Hall\, PCTS Room 407
SUMMARY:Princeton University PCTS Workshop
URL:https://www.ias.edu/events/princeton-university-pcts-workshop-6
END:VEVENT
BEGIN:VEVENT
UID:30343537-3638-4965-b434-656330303333
DTSTAMP:20230602T224133Z
CREATED:20230112T210344Z
DESCRIPTION:Topic: Black Hole Perturbation Theory: Love Numbers and Nonline
ar Ring-Down\n\nSpeakers: Lam Hui\n\nAffiliation: Columbia University\n\nA
BSTRACT: We will discuss two recent developments in black hole\nperturbati
on theory: \n\n(1) the symmetries behind the well-known vanishing of the t
idal Love\nnumbers\, and\n\n(2) second order quasi-normal modes during the
ring-down phase after a\nbinary merger.
DTSTART:20230327T163000Z
DTEND:20230327T173000Z
LAST-MODIFIED:20230322T185427Z
LOCATION:Princeton University\, Jadwin Hall\, Princeton Gravity Initiative\
, 4th Floor & Zoom
SUMMARY:Princeton University Gravity Initiative Spring Seminar Series
URL:https://www.ias.edu/sns/events/princeton-university-gravity-initiative-
spring-seminar-series-7
END:VEVENT
BEGIN:VEVENT
UID:39616633-3163-4730-b635-323831633137
DTSTAMP:20230602T224133Z
CREATED:20230313T165241Z
DESCRIPTION:Topic: Molecules For Dark Matter Detection\n\nSpeakers: Ben Lil
lard\n\nAffiliation: University of Oregon\n\nABSTRACT: Organic scintillato
rs are a promising avenue for the direct\ndetection of sub-GeV dark matter
(DM). With eV-scale excitation\nenergies that rival the sensitivity of se
miconductor targets\, they can\nbe produced in bulk and purified relativel
y inexpensively. A\nlow-background kilogram-size scintillator target could
achieve\nworld-leading sensitivity to sub-GeV dark matter. Crystal\nscint
illators also provide a new capability: the dark matter\nscattering rate d
epends on the orientation of the crystal\, which\nvaries with the Earth's
rotation over the course of a sidereal day\n(23.93 hours). The discovery o
f such a signal would be a clear sign of\nnew physics. While most studies
of daily modulation focus on\nDM-electron scattering\, recent results for
diatomic molecules suggest\nthat DM-nuclear scattering can also provide a
detectable\,\ndirectional-dependent signal. In this talk I discuss both ki
nds of DM\nmodels\, the realistic prospects for crystalline detectors in t
he near\nfuture\, and the remaining theoretical work that needs to be done
for\nnuclear scattering in more complicated molecules.
DTSTART:20230328T200000Z
DTEND:20230328T210000Z
LAST-MODIFIED:20230323T184049Z
LOCATION:Jadwin Hall\, Joe Henry Room
SUMMARY:Princeton University Dark Cosmos Seminar
URL:https://www.ias.edu/sns/events/princeton-university-dark-cosmos-seminar
-6
END:VEVENT
BEGIN:VEVENT
UID:34383036-3736-4638-b066-346261666336
DTSTAMP:20230602T224133Z
CREATED:20230112T211123Z
DESCRIPTION:Topic: Wigner Meets ’t Hooft Near the Black Hole Horizon\n\nSpe
akers: Clifford Johnson\n\nAffiliation: University of Southern California
\n\nABSTRACT: There has been exciting recent progress in the study of the
\nquantum nature of black holes through the use of certain exactly\nsolvab
le models. This work shows how to realize\, in concrete terms\,\nvarious l
ong-held expectations about quantum gravity\, such as the\ntransition from
describing physics in terms of smooth spacetimes to\na description in ter
ms of the underlying quantum microstates. Random\nmatrix models are centra
l to the discussion\, and provide fascinating\nconnections to several othe
r fields in statistical physics\, chaotic\ndynamics\, and mathematics. It
is explained why it is crucial to use\nboth t’Hooftian and Wignerian persp
ectives to uncover all the\nphysics. Possible lessons for the program of q
uantum gravity in more\ngeneral settings are discussed.
DTSTART:20230330T200000Z
DTEND:20230330T210000Z
LAST-MODIFIED:20230323T184152Z
LOCATION:Jadwin Hall A-10
SUMMARY:Princeton University Donald R. Hamilton Colloquium Series
URL:https://www.ias.edu/sns/events/princeton-university-donald-r-hamilton-c
olloquium-series-3
END:VEVENT
BEGIN:VEVENT
UID:33386164-3439-4165-b761-646230616237
DTSTAMP:20230602T224133Z
CREATED:20230307T181155Z
DESCRIPTION:Topic: Stringy Dynamics from an Amplitudes Bootstrap\n\nSpeaker
s: Grant Remmen\n\nAffiliation: KITP\, University of California\, Santa Ba
rbara\n\nTHIS TALK WILL BE HELD IN-PERSON IN JADWIN HALL\, PCTS ROOM 407 A
ND ON\nZOOM:\nZoom\nlink: https://princeton.zoom.us/j/97248927011?pwd=SWFi
NWFwZWE5SUR4OUxvV0ZacVdWQT09\n\nABSTRACT: In this talk\, I will describe a
n analytic procedure whereby\nscattering amplitudes are bootstrapped direc
tly from an input mass\nspectrum and a handful of physical constraints: cr
ossing symmetry\,\nboundedness at high energies\, and finiteness of exchan
ged spins. For\nan integer spectrum\, this procedure gives a first princip
les\nderivation of a new infinite parameter generalization of the Venezian
o\namplitude that is unitary while exhibiting dual resonance and\nconsiste
nt high-energy behavior. Lifting to a q-deformed integer\nspectrum\, I wil
l derive the Coon amplitude and its analogous\ngeneralizations. Finally\,
I will apply this logic to derive an\ninfinite class of deformed Virasoro-
Shapiro amplitudes.
DTSTART:20230331T174500Z
DTEND:20230331T190000Z
LAST-MODIFIED:20230307T181439Z
LOCATION:Jadwin Hall\, PCTS Room 407 & Zoom
SUMMARY:PU High Energy Theory Seminar
URL:https://www.ias.edu/sns/events/pu-high-energy-theory-seminar-32
END:VEVENT
BEGIN:VEVENT
UID:62323135-3763-4539-a439-653535636463
DTSTAMP:20230602T224133Z
CREATED:20230330T144148Z
DESCRIPTION:Topic: The Interaction of Gravitational Waves from Localized an
d Distant Sources\n\nSpeakers: Federico Pasqualotto\n\nAffiliation: Univer
sity of California\, Berkeley\n\nABSTRACT: This talk will concern the inte
raction problem in General\nRelativity in a specific setting. More precise
ly\, we will describe a\nresearch program aimed at a rigorous understandin
g of the interaction\nof gravitational waves originating from several loca
lized and distant\nsources.\n\nFirst\, we will restrict our attention to a
model problem (quasilinear\nwave equations with the null condition) and d
escribe a global\nstability result obtained in collaboration with John And
erson\n(Stanford). We show global stability in a class of small initial da
ta\nlocalized around a collection of points whose mutual distances are\nla
rge. Our approach relies on a bilinear spacetime estimate which\nquantifie
s precisely the nonlinear interaction.\n\nWe will then turn our attention
to the problem for the Einstein\nequations and focus on the existence of s
uitable initial data sets. In\njoint work with John Anderson and Justin Co
rvino (Lafayette College)\,\nwe construct solutions to the time-symmetric
Einstein constraint\nequations with a finite (or countably infinite) numbe
r of localized\n(and smooth) sources.\n\nIn the last part of the talk\, we
will comment on the corresponding\nevolution problem for the Einstein vac
uum equations arising from the\nabove initial data sets.
DTSTART:20230403T163000Z
DTEND:20230403T173000Z
LAST-MODIFIED:20230330T144352Z
LOCATION:Princeton University\, Jadwin Hall\, Princeton Gravity Initiative\
, 4th Floor & Zoom
SUMMARY:Princeton University Gravity Initiative Spring Seminar Series
URL:https://www.ias.edu/sns/events/princeton-university-gravity-initiative-
spring-seminar-series-11
END:VEVENT
BEGIN:VEVENT
UID:61363136-3439-4838-a332-333765626261
DTSTAMP:20230602T224133Z
CREATED:20230324T184510Z
DESCRIPTION:Topic: 3d Gravity and Teichmuller TQFT\n\nSpeakers: Scott Colli
er\n\nAffiliation: PCTS\, Princeton University\n\nTHIS TALK WILL BE HELD I
N-PERSON IN JADWIN HALL\, PCTS ROOM 407 AND ON\nZOOM:\nhttps://princeton.z
oom.us/j/97248927011?pwd=SWFiNWFwZWE5SUR4OUxvV0ZacVdWQT09\n\nABSTRACT: I w
ill describe a proposal that relates AdS_3 quantum\ngravity to a topologic
al quantum field theory known as ``Teichmuller\nTQFT.’’ This proposal clar
ifies the relationship between pure\nAdS_3 quantum gravity and two copies
of SL(2\,R) Chern-Simons theory\nand resolves some well-known issues with
this lore. I will argue that\nmoreover this proposal provides a practical
framework for the\ncomputation of 3d gravity partition functions\, and wil
l describe how\nit elucidates various aspects of the recent ensemble inter
pretation of\nsemiclassical 3d gravity. (Based on work in progress with Lo
renz\nEberhardt and Mengyang Zhang.)
DTSTART:20230403T183000Z
DTEND:20230403T193000Z
LAST-MODIFIED:20230324T184652Z
LOCATION:Jadwin Hall\, PCTS Room 407 & Zoom
SUMMARY:PU High Energy Theory Seminar
URL:https://www.ias.edu/sns/events/pu-high-energy-theory-seminar-34
END:VEVENT
BEGIN:VEVENT
UID:33373462-6239-4134-a439-623934323033
DTSTAMP:20230602T224133Z
CREATED:20230313T161450Z
DESCRIPTION:Topic: Fundamental Physics from the Strong-Field Regime of Grav
ity\n\nSpeakers: Josu Aurrekoetxea\n\nAffiliation: Oxford University\n\nAB
STRACT: We are in a new era of gravitational physics in which both\ngravit
ational-wave measurements and cosmological observations can be\nused to te
st fundamental physics. Moreover\, recent computational\ndevelopments allo
w us to investigate (at present largely unexplored)\nregimes where the gra
vitational force is strong – a very promising\narea to search for new phys
ics. In this talk I will overview two cases\nin which we aim to use strong
-gravity to learn about the dark\ncomponents of the universe: the interact
ion of binary black hole\nmergers with their dark matter environments and
the emission and\npropagation of scalar gravitational waves\, a distinct s
ignature of\ntheories aiming to explain dark energy.
DTSTART:20230406T163000Z
DTEND:20230406T173000Z
LAST-MODIFIED:20230313T161551Z
LOCATION:Princeton University\, Jadwin Hall\, Princeton Gravity Initiative\
, 4th Floor & Zoom
SUMMARY:Princeton University Gravity Initiative Spring Seminar Series
URL:https://www.ias.edu/sns/events/princeton-university-gravity-initiative-
spring-seminar-series-8
END:VEVENT
BEGIN:VEVENT
UID:39613763-3637-4438-b237-666530663430
DTSTAMP:20230602T224133Z
CREATED:20230112T211226Z
DESCRIPTION:Topic: Deep Learning as a Last Resort\n\nSpeakers: Shirley Ho\n
\nAffiliation: Center for Computational Astrophysics\, Flatiron Institute
\n\nABSTRACT: For the last 10 years\, we have seen a rapid adoption\nof de
ep learning techniques across many disciplines\, ranging from\nself-drivin
g vehicles\, credit card rating to biomedicine. Along with\nthis wave\, we
have seen rapid adoption and rejection in the nascent\nfield of Machine L
earning and Sciences. While we see more and more\npeople working in the ar
ea of Machine Learning and Sciences\, there\nare also quite a number of sk
eptics (sometimes for very good reasons).\nSome of us are believers of usi
ng deep learning as a last resort\,\nand I will showcase a few of these sc
ientific challenges ranging from\nunderstanding our Universe\, the Milky W
ay\, the Solar System to our\ngenome.
DTSTART:20230406T200000Z
DTEND:20230406T210000Z
LAST-MODIFIED:20230330T151630Z
LOCATION:Jadwin Hall A-10
SUMMARY:Princeton University Donald R. Hamilton Colloquium Series
URL:https://www.ias.edu/sns/events/princeton-university-donald-r-hamilton-c
olloquium-series-4
END:VEVENT
BEGIN:VEVENT
UID:33663261-6636-4664-b431-333135633363
DTSTAMP:20230602T224133Z
CREATED:20230330T151820Z
DESCRIPTION:Topic: Testing Gravity at Galactic Center\n\nSpeakers: Mariafel
icia De Laurentis\n\nAffiliation: Naples University\n\nABSTRACT: The Galac
tic Center of the Milky Way\, thanks to its\nproximity\, allows to perform
astronomical observations that\ninvestigate physical phenomena at the edg
e of astrophysics and\nfundamental physics. As such\, it offers a unique l
aboratory to probe\ngravity\, where one can not only test the basic predic
tions of General\nRelativity but is also able to falsify theories that\, o
ver time\, have\nbeen proposed to modify or extend General Relativity\; to
test\ndifferent paradigms of dark matter\; and to place constraints on\np
utative models that have been formulated as alternatives to the\nstandard
black hole paradigm in General Relativity. In this talk\, I\nwill emphasis
their importance in opening a new avenue to improve our\nunderstanding of
the underlying theory of gravity in the surrounding\nof a supermassive co
mpact object.
DTSTART:20230410T163000Z
DTEND:20230410T173000Z
LAST-MODIFIED:20230407T180057Z
LOCATION:Princeton University\, Jadwin Hall\, Princeton Gravity Initiative\
, 4th Floor
SUMMARY:Princeton University Gravity Initiative Spring Seminar Series
URL:https://www.ias.edu/sns/events/princeton-university-gravity-initiative-
spring-seminar-series-12
END:VEVENT
BEGIN:VEVENT
UID:39396563-3831-4536-b864-363763616164
DTSTAMP:20230602T224133Z
CREATED:20230324T142735Z
DESCRIPTION:Topic: Many-body Physics with Synthetic Quantum Systems\n\nFREE
BUT REQUIRED REGISTRATION [https://forms.gle/Sy9woJCmdbuacLkL6]\nIS NOW O
PEN ON THE PCTS WEBSITE\n[https://pcts.princeton.edu/events/2023/many-body
-physics-synthetic-quantum-systems] \n\nHTTPS://FORMS.GLE/SY9WOJCMDBUACLKL
6\n[https://forms.gle/Sy9woJCmdbuacLkL6]\n\nDetails can be found here\n[ht
tps://pcts.princeton.edu/sites/g/files/toruqf1126/files/documents/Agenda-D
raft_Math3.3.23.pdf]or\non the website at Princeton Center for Theoretical
Science\n[https://pcts.princeton.edu/]\n\nPLEASE NOTE: This workshop is n
ot open to the general public\, but\nonly to active researchers.\n\nORGANI
ZERS: WASEEM BAKR (PHY)\, LAWRENCE CHEUK (PHY) SARANG\nGOPALAKRISHNAN\, (E
CE)\, DAVID HUSE (PHY)\, RHINE SAMAJDAR (PHY)\, JEFF\nTHOMPSON (ECE)\; \n
\nOver the past few decades\, synthetic quantum systems such as those\nmad
e from neutral atoms\, ions and photons have emerged as an important\nplay
ground to study quantum many-body physics\, quantum statistical\nphysics a
nd quantum information. Importantly\, inspired by the unique\nfeatures of
synthetic quantum systems including microscopic readout\nand a high degree
of isolation\, new directions and questions have\nemerged concerning the
behavior of isolated and driven quantum\nmany-body systems. In addition\,
intimate connections between different\nareas\, such as between exotic pha
ses of matter and protection of\nquantum information\, have been discovere
d. In light of the rapid\ndevelopments in controlling synthetic systems an
d the rising interest\nin quantum science\, this workshop will be centered
on exploring the\nfrontiers of many-body physics using these systems. The
workshop aims\nto consolidate collaboration and foster new connections be
tween\nexperimentalists and theorists\, with a focus on identifying curren
t\nand upcoming topics of interest\, including thermalization and its\nbre
akdown\, quantum chaos\, unconventional hydrodynamics\, projective\nmeasur
ements in many-body systems\, and exotic phases.
DTSTART:20230412T130000Z
DTEND:20230412T210000Z
LAST-MODIFIED:20230324T143311Z
LOCATION:Jadwin Hall\, PCTS Room 407
SUMMARY:Princeton University PCTS/PQI Workshop
URL:https://www.ias.edu/sns/events/princeton-university-pctspqi-workshop
END:VEVENT
BEGIN:VEVENT
UID:30613232-6239-4836-b666-393930326539
DTSTAMP:20230602T224133Z
CREATED:20230324T143152Z
DESCRIPTION:Topic: Many-body Physics with Synthetic Quantum Systems\n\nFREE
BUT REQUIRED REGISTRATION [https://forms.gle/Sy9woJCmdbuacLkL6]\nIS NOW O
PEN ON THE PCTS WEBSITE\n[https://pcts.princeton.edu/events/2023/many-body
-physics-synthetic-quantum-systems] \n\nHTTPS://FORMS.GLE/SY9WOJCMDBUACLKL
6\n[https://forms.gle/Sy9woJCmdbuacLkL6]\n\nDetails can be found here\n[ht
tps://pcts.princeton.edu/sites/g/files/toruqf1126/files/documents/Agenda-D
raft_Math3.3.23.pdf]or\non the website at Princeton Center for Theoretical
Science\n[https://pcts.princeton.edu/]\n\nPLEASE NOTE: This workshop is n
ot open to the general public\, but\nonly to active researchers.\n\nORGANI
ZERS: WASEEM BAKR (PHY)\, LAWRENCE CHEUK (PHY) SARANG\nGOPALAKRISHNAN\, (E
CE)\, DAVID HUSE (PHY)\, RHINE SAMAJDAR (PHY)\, JEFF\nTHOMPSON (ECE)\; \n
\nOver the past few decades\, synthetic quantum systems such as those\nmad
e from neutral atoms\, ions and photons have emerged as an important\nplay
ground to study quantum many-body physics\, quantum statistical\nphysics a
nd quantum information. Importantly\, inspired by the unique\nfeatures of
synthetic quantum systems including microscopic readout\nand a high degree
of isolation\, new directions and questions have\nemerged concerning the
behavior of isolated and driven quantum\nmany-body systems. In addition\,
intimate connections between different\nareas\, such as between exotic pha
ses of matter and protection of\nquantum information\, have been discovere
d. In light of the rapid\ndevelopments in controlling synthetic systems an
d the rising interest\nin quantum science\, this workshop will be centered
on exploring the\nfrontiers of many-body physics using these systems. The
workshop aims\nto consolidate collaboration and foster new connections be
tween\nexperimentalists and theorists\, with a focus on identifying curren
t\nand upcoming topics of interest\, including thermalization and its\nbre
akdown\, quantum chaos\, unconventional hydrodynamics\, projective\nmeasur
ements in many-body systems\, and exotic phases.
DTSTART:20230413T130000Z
DTEND:20230413T210000Z
LAST-MODIFIED:20230324T143243Z
LOCATION:Jadwin Hall\, PCTS Room 407
SUMMARY:Princeton University PCTS/PQI Workshop
URL:https://www.ias.edu/sns/events/princeton-university-pctspqi-workshop-0
END:VEVENT
BEGIN:VEVENT
UID:36373431-3061-4836-b536-626361323035
DTSTAMP:20230602T224133Z
CREATED:20230330T152039Z
DESCRIPTION:Topic: New Avenues for Quantum Simulations with Atoms\, Molecul
es and Photons\n\nSpeakers: Immanuel Bloch\n\nAffiliation: Max Planck Inst
itute of Quantum Optics & LMU Munich\n\nABSTRACT: 40 years ago\, Richard F
eynman outlined his vision of a\nquantum simulator for carrying out comple
x calculations of physical\nproblems. Today\, his dream has become a reali
ty and a highly active\nfield of resarch across different platforms rangin
g from ultracold\natoms and ions\, to superconducting qubits and photons.
In my talk\, I\nwill outline how ultracold atoms in optical lattices start
ed this\nvibrant and interdisciplinary research field 20 years ago and now
\nallow probing quantum phases in- and out-of-equilibrium with\nfundamenta
lly new tools and single particle resolution. Novel (hidden)\norder parame
ters\, entanglement properties\, full counting statistics or\ntopological
features can now be measured routinely and provide deep\nnew insight into
the world of correlated quantum matter. I will\nintroduce the measurement
and control techniques in these systems and\ndelineate recent applications
regarding quantum simulations of\nstrongly correlated electronic systems\
, experiments on new dynamical\nphases of matter\, novel quantum optical l
ight matter interfaces and\nprogress towards the realization of ultracold
quantum matter of polar\nmolecules.
DTSTART:20230413T200000Z
DTEND:20230413T210000Z
LAST-MODIFIED:20230330T152230Z
LOCATION:Jadwin Hall A-10
SUMMARY:Princeton University Donald R. Hamilton Colloquium Series
URL:https://www.ias.edu/sns/events/princeton-university-donald-r-hamilton-c
olloquium-series-7
END:VEVENT
BEGIN:VEVENT
UID:36333733-3230-4039-b538-623939323563
DTSTAMP:20230602T224133Z
CREATED:20230324T143317Z
DESCRIPTION:Topic: Many-body Physics with Synthetic Quantum Systems\n\nFREE
BUT REQUIRED REGISTRATION [https://forms.gle/Sy9woJCmdbuacLkL6]\nIS NOW O
PEN ON THE PCTS WEBSITE\n[https://pcts.princeton.edu/events/2023/many-body
-physics-synthetic-quantum-systems] \n\nHTTPS://FORMS.GLE/SY9WOJCMDBUACLKL
6\n[https://forms.gle/Sy9woJCmdbuacLkL6]\n\nDetails can be found here\n[ht
tps://pcts.princeton.edu/sites/g/files/toruqf1126/files/documents/Agenda-D
raft_Math3.3.23.pdf]or\non the website at Princeton Center for Theoretical
Science\n[https://pcts.princeton.edu/]\n\nPLEASE NOTE: This workshop is n
ot open to the general public\, but\nonly to active researchers.\n\nORGANI
ZERS: WASEEM BAKR (PHY)\, LAWRENCE CHEUK (PHY) SARANG\nGOPALAKRISHNAN\, (E
CE)\, DAVID HUSE (PHY)\, RHINE SAMAJDAR (PHY)\, JEFF\nTHOMPSON (ECE)\; \n
\nOver the past few decades\, synthetic quantum systems such as those\nmad
e from neutral atoms\, ions and photons have emerged as an important\nplay
ground to study quantum many-body physics\, quantum statistical\nphysics a
nd quantum information. Importantly\, inspired by the unique\nfeatures of
synthetic quantum systems including microscopic readout\nand a high degree
of isolation\, new directions and questions have\nemerged concerning the
behavior of isolated and driven quantum\nmany-body systems. In addition\,
intimate connections between different\nareas\, such as between exotic pha
ses of matter and protection of\nquantum information\, have been discovere
d. In light of the rapid\ndevelopments in controlling synthetic systems an
d the rising interest\nin quantum science\, this workshop will be centered
on exploring the\nfrontiers of many-body physics using these systems. The
workshop aims\nto consolidate collaboration and foster new connections be
tween\nexperimentalists and theorists\, with a focus on identifying curren
t\nand upcoming topics of interest\, including thermalization and its\nbre
akdown\, quantum chaos\, unconventional hydrodynamics\, projective\nmeasur
ements in many-body systems\, and exotic phases.
DTSTART:20230414T130000Z
DTEND:20230414T210000Z
LAST-MODIFIED:20230324T143335Z
LOCATION:Jadwin Hall\, PCTS Room 407
SUMMARY:Princeton University PCTS/PQI Workshop
URL:https://www.ias.edu/sns/events/princeton-university-pctspqi-workshop-1
END:VEVENT
BEGIN:VEVENT
UID:30363065-6532-4939-b664-396163363830
DTSTAMP:20230602T224133Z
CREATED:20230407T144732Z
DESCRIPTION:Topic: Physics for Neural Networks\n\nRegistration is required
on line at the PCTS website\n[https://pcts.princeton.edu/events/2023/physi
cs-neural-networks]\nhttps://pcts.princeton.edu/events/2023/physics-neural
-networks \n\nhttps://forms.gle/EZ4A7n8MrBDFoJex6 \n\nDetails can be found
on the website at Princeton Center for\nTheoretical Science [https://pcts
.princeton.edu/]\n\nPLEASE NOTE: This workshop is not open to the general
public\, but\nonly to active researchers.\n\nORGANIZERS: WILLIAM BIALEK\;
GIORGIO CIPOLLONI\; BORIS HANIN\; FRANCESCA\nMIGNACCO \n\nA hallmark of mo
dem machine learning\, exemplified by deep learning\, is\nthe use of excep
tionally large models to fit complex datasets. While\nthe empirical succes
s of the neural network models used in deep\nlearning is undeniable\, a pr
edictive formalism for describing and\nimproving them is nascent. On the t
heoretical side a promising avenue\nfor making progress is to view neural
networks as large collections of\n(often weakly) interacting parameters. F
rom this perspective\, it is\nnatural to study them using the tools of mod
ern physics coming from\nrandom matrix theory\, statistical mechanics\, th
e 1/n expansion\, field\ntheory\, and so on. On the experimental side\, ne
ural networks present a\nunique opportunity for impactful empirical invest
igation in which the\nmicroscopic ground truth is known to arbitrary preci
sion. The purpose\nof this workshop is to bring together a range of scient
ists trained in\na variety of disciplines related to modern physics that a
re interested\nin developing both the theory and phenomenology of deep lea
rning.
DTSTART:20230417T123000Z
DTEND:20230417T210000Z
LAST-MODIFIED:20230407T145306Z
LOCATION:Jadwin Hall\, PCTS Room 407
SUMMARY:Princeton University PCTS Workshop
URL:https://www.ias.edu/sns/events/princeton-university-pcts-workshop
END:VEVENT
BEGIN:VEVENT
UID:66346464-3639-4463-b964-363962643030
DTSTAMP:20230602T224133Z
CREATED:20230405T152946Z
DESCRIPTION:Topic: “Bulk-Local Diagrams for Higher-Spin Gravity\, Using Its
'BPS Black Hole' '\n\nSpeakers: Yasha Neiman\n\nAffiliation: OIST\n\nTHIS
TALK WILL BE HELD IN-PERSON IN JADWIN HALL\, ROOM 202 (CHAIRS\nCONFERENCE
ROOM) AND ON ZOOM:\nhttps://princeton.zoom.us/j/97248927011?pwd=SWFiNWFwZ
WE5SUR4OUxvV0ZacVdWQT09\n\nABSTRACT: I make a surprising connection betwee
n two long-standing\nproblems in higher-spin gravity: (1) locality concern
s at the quartic\norder in perturbation theory\, and (2) the physical mean
ing of\nthe Didenko-Vasiliev 'BPS black hole' solution.\n\nI show that the
Didenko-Vasiliev solution is dual to a bilocal\nsingle-trace operator in
the holographically dual vector model\, just\nlike the string in standard
AdS/CFT is dual to a Wilson line. This\nsuggests that we should use these
solutions as a 'completion' of the\nspace of on-shell higher-spin fields\,
much like the string 'completes'\nits associated tower of particle specie
s.\n\nAll n-point boundary correlators can then be constructed from\n(suff
iciently local) cubic vertices\, via a new string-like\ndiagrammatic frame
work. Thus\, the quartic locality problem is avoided\,\nat the price of in
troducing a new bulk object. In the process\, an\ninfinite tower of unknow
n vertices in the standard formulation is\nreplaced by a single unknown cu
bic vertex.
DTSTART:20230417T183000Z
DTEND:20230417T193000Z
LAST-MODIFIED:20230413T194619Z
LOCATION:Jadwin Hall\, Room 202 (Chairs Conference Room) & Zoom
SUMMARY:PU High Energy Theory Seminar
URL:https://www.ias.edu/sns/events/pu-high-energy-theory-seminar-36
END:VEVENT
BEGIN:VEVENT
UID:37663536-6135-4661-b261-616631363738
DTSTAMP:20230602T224133Z
CREATED:20230407T145314Z
DESCRIPTION:Topic: Physics for Neural Networks\n\nRegistration is required
on line at the PCTS website\n[https://pcts.princeton.edu/events/2023/physi
cs-neural-networks]\nhttps://pcts.princeton.edu/events/2023/physics-neural
-networks \n\nhttps://forms.gle/EZ4A7n8MrBDFoJex6 \n\nDetails can be found
on the website at Princeton Center for\nTheoretical Science [https://pcts
.princeton.edu/]\n\nPLEASE NOTE: This workshop is not open to the general
public\, but\nonly to active researchers.\n\nORGANIZERS: WILLIAM BIALEK\;
GIORGIO CIPOLLONI\; BORIS HANIN\; FRANCESCA\nMIGNACCO \n\nA hallmark of mo
dem machine learning\, exemplified by deep learning\, is\nthe use of excep
tionally large models to fit complex datasets. While\nthe empirical succes
s of the neural network models used in deep\nlearning is undeniable\, a pr
edictive formalism for describing and\nimproving them is nascent. On the t
heoretical side a promising avenue\nfor making progress is to view neural
networks as large collections of\n(often weakly) interacting parameters. F
rom this perspective\, it is\nnatural to study them using the tools of mod
ern physics coming from\nrandom matrix theory\, statistical mechanics\, th
e 1/n expansion\, field\ntheory\, and so on. On the experimental side\, ne
ural networks present a\nunique opportunity for impactful empirical invest
igation in which the\nmicroscopic ground truth is known to arbitrary preci
sion. The purpose\nof this workshop is to bring together a range of scient
ists trained in\na variety of disciplines related to modern physics that a
re interested\nin developing both the theory and phenomenology of deep lea
rning.
DTSTART:20230418T123000Z
DTEND:20230418T210000Z
LAST-MODIFIED:20230407T145331Z
LOCATION:Jadwin Hall\, PCTS Room 407
SUMMARY:Princeton University PCTS Workshop
URL:https://www.ias.edu/sns/events/princeton-university-pcts-workshop-0
END:VEVENT
BEGIN:VEVENT
UID:31306465-3635-4261-b335-313763643536
DTSTAMP:20230602T224133Z
CREATED:20230407T145337Z
DESCRIPTION:Topic: Physics for Neural Networks\n\nRegistration is required
on line at the PCTS website\n[https://pcts.princeton.edu/events/2023/physi
cs-neural-networks]\nhttps://pcts.princeton.edu/events/2023/physics-neural
-networks \n\nhttps://forms.gle/EZ4A7n8MrBDFoJex6 \n\nDetails can be found
on the website at Princeton Center for\nTheoretical Science [https://pcts
.princeton.edu/]\n\nPLEASE NOTE: This workshop is not open to the general
public\, but\nonly to active researchers.\n\nORGANIZERS: WILLIAM BIALEK\;
GIORGIO CIPOLLONI\; BORIS HANIN\; FRANCESCA\nMIGNACCO \n\nA hallmark of mo
dem machine learning\, exemplified by deep learning\, is\nthe use of excep
tionally large models to fit complex datasets. While\nthe empirical succes
s of the neural network models used in deep\nlearning is undeniable\, a pr
edictive formalism for describing and\nimproving them is nascent. On the t
heoretical side a promising avenue\nfor making progress is to view neural
networks as large collections of\n(often weakly) interacting parameters. F
rom this perspective\, it is\nnatural to study them using the tools of mod
ern physics coming from\nrandom matrix theory\, statistical mechanics\, th
e 1/n expansion\, field\ntheory\, and so on. On the experimental side\, ne
ural networks present a\nunique opportunity for impactful empirical invest
igation in which the\nmicroscopic ground truth is known to arbitrary preci
sion. The purpose\nof this workshop is to bring together a range of scient
ists trained in\na variety of disciplines related to modern physics that a
re interested\nin developing both the theory and phenomenology of deep lea
rning.
DTSTART:20230419T123000Z
DTEND:20230419T160000Z
LAST-MODIFIED:20230407T145355Z
LOCATION:Jadwin Hall\, PCTS Room 407
SUMMARY:Princeton University PCTS Workshop
URL:https://www.ias.edu/sns/events/princeton-university-pcts-workshop-1
END:VEVENT
BEGIN:VEVENT
UID:32303135-6531-4538-b633-386431666433
DTSTAMP:20230602T224133Z
CREATED:20230313T162011Z
DESCRIPTION:Topic: Testing General Relativity with Black Hole X-ray Data\n
\nSpeakers: Cosimo Bambi\n\nAffiliation: Fudan University China\n\nABSTRAC
T: The theory of General Relativity has successfully passed a\nlarge numbe
r of observational tests. The theory has been extensively\ntested in the w
eak-field regime with experiments in the Solar System\nand observations of
binary pulsars. The past 5-6 years have seen\nsignificant advancements in
the study of the strong-field regime\,\nwhich can now be tested with grav
itational waves\, X-ray data\, and mm\nVery Long Baseline Interferometry o
bservations. In my talk\, I will\nsummarize the state-of-the-art of the te
sts of General Relativity with\nblack hole X-ray data\, discussing its rec
ent progress and future\ndevelopments.
DTSTART:20230420T180000Z
DTEND:20230420T190000Z
LAST-MODIFIED:20230323T184531Z
LOCATION:Princeton University\, Jadwin Hall\, Princeton Gravity Initiative\
, 4th Floor & Zoom
SUMMARY:Princeton University Gravity Initiative Special Seminar
URL:https://www.ias.edu/sns/events/princeton-university-gravity-initiative-
special-seminar-2
END:VEVENT
BEGIN:VEVENT
UID:66636362-6330-4439-b966-643730326435
DTSTAMP:20230602T224133Z
CREATED:20230112T211516Z
DESCRIPTION:Topic: SUSY: Fifty Years of Scientific Odyssey Inspiring A Pers
onal Quest\n\nSpeakers: S. James Gates\n\nAffiliation: University of Maryl
and\n\nABSTRACT: The concept that there may exist symmetries relating boso
ns\nand fermions was first proposed by Yuri Golfand and Evgeny Likhtman in
\n1971 and independently realized by Julius Wess and Bruno Zumino in\n1974
. Thus\, was born the topic of ‘supersymmetry’ and the speaker\nwill highl
ight the triumphs and tragedies of this yet to be\nobservationally validat
ed mathematical idea and describe a scientific\nquest via a personal retro
spective.
DTSTART:20230421T000000Z
DTEND:20230421T020000Z
LAST-MODIFIED:20230112T211645Z
LOCATION:Jadwin Hall A-10
SUMMARY:Princeton University Donald R. Hamilton Lecture
URL:https://www.ias.edu/sns/events/princeton-university-donald-r-hamilton-l
ecture
END:VEVENT
BEGIN:VEVENT
UID:62326436-6538-4338-b535-323334656238
DTSTAMP:20230602T224133Z
CREATED:20230313T165409Z
DESCRIPTION:Topic: New Precision Cosmological Constraints from CMB Lensing
with the Atacama Cosmology Telescope\n\nSpeakers: Matthew Madhavacheril\n
\nAffiliation: University of Pennsylvania\n\nABSTRACT: The Atacama Cosmolo
gy Telescope is a ground-based CMB\nsurvey that has mapped half the millim
eter sky at significantly higher\nresolution and sensitivity than the Plan
ck satellite. I will present\nnew ACT results from a 9400 sq.deg. gravitat
ional lensing mass map\,\nincluding constraints on the amplitude of matter
fluctuations as well\nas the Hubble constant at better than 2%\, as well
as bounds on the sum\nof neutrino masses and curvature density. With a con
sistent\nre-analysis of galaxy weak lensing from the DES\, HSC and KiDS su
rveys\,\nI will discuss these results in the context of the S8 tension. Wi
th an\nACT lensing-informed measurement of the Hubble constant independent
of\nthe sound horizon\, I will discuss implications for the Hubble tensio
n.
DTSTART:20230425T200000Z
DTEND:20230425T210000Z
LAST-MODIFIED:20230421T164034Z
LOCATION:Jadwin Hall\, Joe Henry Room
SUMMARY:Princeton University Dark Cosmos Seminar
URL:https://www.ias.edu/sns/events/princeton-university-dark-cosmos-seminar
-8
END:VEVENT
BEGIN:VEVENT
UID:65323331-3138-4536-a661-613434386630
DTSTAMP:20230602T224133Z
CREATED:20230330T152425Z
DESCRIPTION:Topic: Parisi's Hypercube\, Fock-Space Frustration and NAdS$_2$
/NCFT$_1$ Holography\n\nSpeakers: Yiyang Jia\n\nAffiliation: Weizmann Inst
itute of Science\n\nTHIS TALK WILL BE HELD IN-PERSON IN JADWIN HALL\, PCTS
ROOM 407 AND ON\nZOOM:\nZoom\nlink: https://princeton.zoom.us/j/972489270
11?pwd=SWFiNWFwZWE5SUR4OUxvV0ZacVdWQT09\n\nABSTRACT: We consider a model o
f Parisi where a single particle hops\non an infinite-dimensional hypercub
e\, under the influence of a uniform\nbut disordered magnetic flux. We re
interpret the hypercube as the\nFock-space graph of a many-body Hamiltonia
n\, and the flux as a\nfrustration of the return amplitudes in Fock space.
We will show that\nthis model has the same correlation functions as the d
ouble-scaled\nSachdev-Ye-Kitaev model\, and hence is an equally good quant
um model\nfor near-AdS2/near-CFT1 holography. Unlike the SYK model\, the\n
hypercube Hamiltonian is not _p_-local. Instead\, the SYK model can be\nun
derstood as a Fock-space model with similar frustrations. Hence we\npropos
e this type of Fock-space frustration as the broader\ncharacterization for
NAdS2/NCFT1 microscopics\, and speculate the\npossible origin of such fru
strations.
DTSTART:20230427T183000Z
DTEND:20230427T193000Z
LAST-MODIFIED:20230427T141139Z
LOCATION:Jadwin Hall\, PCTS Room 407 & Zoom
SUMMARY:PU High Energy Theory Seminar
URL:https://www.ias.edu/sns/events/pu-high-energy-theory-seminar-35
END:VEVENT
BEGIN:VEVENT
UID:32343739-6464-4134-b437-313964316334
DTSTAMP:20230602T224133Z
CREATED:20230323T184710Z
DESCRIPTION:Topic: Fun with n-flavor Schwinger models\n\nSpeakers: Howard G
eorgi\n\nAffiliation: Harvard University\n\nTHIS TALK WILL BE HELD IN-PERS
ON IN JADWIN HALL\, PCTS ROOM 407 AND ON\nZOOM:\nZoom\nlink: https://princ
eton.zoom.us/j/97248927011?pwd=SWFiNWFwZWE5SUR4OUxvV0ZacVdWQT09\n\nABSTRAC
T: I will describe the correlators of fermion bilinears in the\nn-flavor m
assless Schwinger model. These are exactly calculable\ngeneralized free th
eories. For n > 1\, there is a massive particle and\na conformal sector. I
have argued that in the n = 2 theory\, very\nspecial mass terms can be ad
ded to introduce interactions and modify\nthe anomalous dimensions without
eliminating the conformal sector. I\nwill show some evidence that this wo
rks in the n = 2 theory by\ncalculating anomalous dimensions in perturbati
on theory in the mass\nparameter. I will also explain why I think that n >
2 may be less\ninteresting.
DTSTART:20230428T174500Z
DTEND:20230428T190000Z
LAST-MODIFIED:20230424T200419Z
LOCATION:Jadwin Hall\, PCTS Room 407 & Zoom
SUMMARY:PU High Energy Theory Seminar
URL:https://www.ias.edu/sns/events/pu-high-energy-theory-seminar-33
END:VEVENT
BEGIN:VEVENT
UID:66373636-6536-4630-b963-663536636261
DTSTAMP:20230602T224133Z
CREATED:20230313T162653Z
DESCRIPTION:Topic: Dynamical Gravastars\n\nSpeakers: Stephen L. Adler\n\nAf
filiation: The Institute for Advanced Study\n\nABSTRACT: I give new result
s for 'gravastars''\, which are horizonless\ncompact objects that closely
mimic mathematical black holes in their\nexterior geometry\, but for whic
h g_{00} is always positive. They\nresult from solving the Tolman-Oppen
heimer-Volkoff (TOV)\nequations for relativistic stellar structure\, whic
h require continuous\npressure\, but with an interior density jump from a
normal matter\nequation of state\, to an equation of state where pressure
plus\ndensity approximately sum to zero. \nWe present Mathematica noteboo
ks solving the TOV equations\, in which\nthe structure of the gravastar is
entirely governed by the\nEinstein-Hilbert gravitational action (with zer
o cosmological\nconstant) together with the matter equation of state\, wi
th radii\nwhere structural changes occur emerging from the dynamics\, ra
ther\nthan being specified in advance. To conclude\, I'll extend the\nmo
del to include a cosmological constant\, and discuss possible\nastrophysic
al implications of absence of a horizon.
DTSTART:20230501T163000Z
DTEND:20230501T173000Z
LAST-MODIFIED:20230313T162753Z
LOCATION:Princeton University\, Jadwin Hall\, Princeton Gravity Initiative\
, 4th Floor & Zoom
SUMMARY:Princeton University Gravity Initiative Spring Seminar Series
URL:https://www.ias.edu/sns/events/princeton-university-gravity-initiative-
spring-seminar-series-9
END:VEVENT
BEGIN:VEVENT
UID:64636561-3934-4732-a431-616330386466
DTSTAMP:20230602T224133Z
CREATED:20230503T151546Z
DESCRIPTION:Topic: Putting all the X in one basket: X-ray constraints on su
b-GeV dark matter \n\nSpeakers: Elena Pinetti\n\nAffiliation: Fermilab\n\n
ABSTRACT: In this talk I will focus on light dark matter particles\,\nwith
a mass between 1 MeV and a few GeV. These particles can\nannihilate or de
cay into electron-positron pairs which can upscatter\nthe low-energy field
s in our Galaxy and produce X-ray emission. By\nusing the X-ray data from
XMM-Newton\, Integral\, Suzaku and NuStar\, we\nderive strong constraints
on MeV dark matter. In the decay scenario\,\nour bounds are the strongest
to date for dark matter masses above 100\nMeV and improving up to 3 orders
of magnitude upon existing limits. In\nthe annihilation case\, our constr
aints are the strongest available for\ndark matter masses above 180 MeV.
DTSTART:20230509T200000Z
DTEND:20230509T210000Z
LAST-MODIFIED:20230503T151736Z
LOCATION:Jadwin Hall\, Joe Henry Room
SUMMARY:Princeton University Dark Cosmos Seminar
URL:https://www.ias.edu/sns/events/princeton-university-dark-cosmos-seminar
-9
END:VEVENT
BEGIN:VEVENT
UID:33326161-6135-4866-a565-613934646363
DTSTAMP:20230602T224133Z
CREATED:20230508T144725Z
DESCRIPTION:Topic: Evaluating One-Loop String Amplitudes\n\nSpeakers: Loren
z Eberhardt\n\nAffiliation: Institute for Advanced Study\n\nTHIS TALK WILL
BE HELD IN-PERSON IN JADWIN HALL\, PCTS ROOM 407 AND ON\nZOOM:\nZoom\nlin
k: https://princeton.zoom.us/j/97248927011?pwd=SWFiNWFwZWE5SUR4OUxvV0ZacVd
WQT09\n\nABSTRACT: I will explain recent work with S. Mizera in which we g
ive\nexplicit evaluations of one-loop open string amplitudes at finite\nal
pha’. Our method involves various deformations of the contour\nintegral ov
er the modular parameter. We directly verify that the\none-loop string amp
litude satisfies unitarity constraints. I will show\nplots of the amplitud
e which allows us to explore physical conjectures\nabout their behavior\,
especially at high energies.
DTSTART:20230512T174500Z
DTEND:20230512T190000Z
LAST-MODIFIED:20230508T144907Z
LOCATION:Jadwin Hall\, PCTS Room 407 & Zoom
SUMMARY:PU High Energy Theory Seminar
URL:https://www.ias.edu/sns/events/pu-high-energy-theory-seminar-38
END:VEVENT
BEGIN:VEVENT
UID:32343862-6662-4664-a662-323739663062
DTSTAMP:20230602T224133Z
CREATED:20230330T152702Z
DESCRIPTION:Topic: Probing the Early and Dark Universe with Atomic Beams\n
\nSpeakers: Swapan Chaterji\n\nAffiliation: University of California\, Ber
keley\n\nABSTRACT: MAGIS-100 is a macroscopic ‘Quantum-Sensor’\, based on
a\n100-meter light-pulse atom interferometer\, being built at Fermilab by
\nan international collaboration\, in search of the “dark” sector of\nthe
universe (“dark” matter and energy) and “early-universe”\ngravitational wa
ve background. The experiment can potentially search\nfor new forces and t
est ‘quantum mechanics’ at large distances.\nThe existing NuMI shaft at Fe
rmilab will be used to install the\n100-meter atom interferometer for fund
amental sciences. Latest\nadvances in atomic clock technologies using Stro
ntium atoms will\nmaximize the sensitivity of the experiment to demonstrat
e the efficacy\nand technical feasibility of long-baseline atom interferom
eters. This\nis an intermediate step towards a possible future earth-based
1\nkilometre long-baseline atom interferometer set-up (e.g.\, in the\nSan
ford Labs in South Dakota or elsewhere)\, with potentially\nsufficient sen
sitivity to detect stochastic cosmic background\ngravitational radiation f
rom the early universe (predicted in the 0.1\nHz – 10 Hz range --- a ‘band
-gap’ between the earth-based LIGO\nand space-based LISA experiments). Eve
ntually\, if successful\, one can\ncontemplate space-based interferometers
in satellites. We give an\noverview of this international collaborative e
xperiment and its\nscientific reach.
DTSTART:20230519T163000Z
DTEND:20230519T173000Z
LAST-MODIFIED:20230503T151959Z
LOCATION:Princeton University\, Jadwin Hall\, Princeton Gravity Initiative\
, 4th Floor & Zoom
SUMMARY:Princeton University Gravity Initiative Spring Seminar Series
URL:https://www.ias.edu/sns/events/princeton-university-gravity-initiative-
spring-seminar-series-10
END:VEVENT
END:VCALENDAR