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UID:61636435-3837-4364-a630-336332393133
X-WR-TIMEZONE:UTC
X-WR-CALNAME:IAS Physics-external
BEGIN:VEVENT
UID:64666139-3235-4162-a637-636262313764
DTSTAMP:20240917T093856Z
CREATED:20240906T134351Z
DESCRIPTION:Topic: Construction of multi-soliton solutions for semilinear e
quations in dimension 3\n\nSpeakers: Istvan Kadar: Princeton University\n
\nABSTRACT: The existence of multi black hole solutions in\nasymptotically
flat spacetimes is one of the expectation from the\nfinal state conjectur
e. In this talk\, I will present preliminary\nworks in this direction via
a semilinear toy model in dimension 3. In\nparticular\, I show 1) an algor
ithm to construct approximate solutions\nto the energy critical wave equat
ion that converge to a sum of\nsolitons at an arbitrary polynomial rate in
(t-r)\; 2) a robust method\nto solve the remaining error terms for the no
nlinear equation. The\nmethods apply to energy supercritical problems. Thi
s work is part of\nmy PhD thesis.
DTSTART:20240909T163000Z
DTEND:20240909T173000Z
LAST-MODIFIED:20240906T134502Z
LOCATION:Princeton University\, Jadwin Hall\, Princeton Gravity Initiative\
, 4th Floor & Zoom
SUMMARY:Princeton University Gravity Initiative Fall Seminar Series
URL:https://www.ias.edu/sns/events/princeton-university-gravity-initiative-
fall-seminar-series-24
END:VEVENT
BEGIN:VEVENT
UID:33393935-6231-4835-b439-636262633664
DTSTAMP:20240917T093856Z
CREATED:20240904T155126Z
DESCRIPTION:Topic: What is the Matter with Dwarf Galaxies?\n\nSpeakers: Aly
son Brooks: Rutgers University\n\nABSTRACT: The large-scale structure of o
ur Universe is well described\nby a model in which matter is predominantly
Cold Dark Matter\n(CDM). While CDM was initially thought to have trouble
reproducing\nthe small scales of our Universe (dwarf galaxies and the\ncen
tral regions of galaxies like the Milky Way)\, it has generally\nbecome ac
cepted in the last decade that a proper treatment of the gas\nand stars (b
aryonic matter) can alleviate those tensions. However\,\nthe models of en
ergetic 'feedback' from stars that have solved some of\nthe tensions in CD
M are now running into trouble solving new\nproblems\, specifically the 'd
iversity of rotation curves' problem. In\nthis talk\, I will highlight the
successes and troubles of current\nbaryonic models\, and discuss whether
self-interacting dark matter\n(SIDM) might be a better model to explain ob
servations.
DTSTART:20240910T200000Z
DTEND:20240910T213000Z
LAST-MODIFIED:20240904T155257Z
LOCATION:Jadwin Hall\, Joe Henry Room
SUMMARY:Princeton University Dark Cosmos Seminar
URL:https://www.ias.edu/sns/events/princeton-university-dark-cosmos-seminar
-26
END:VEVENT
BEGIN:VEVENT
UID:36366631-3466-4335-a462-633738643431
DTSTAMP:20240917T093856Z
CREATED:20240906T134621Z
DESCRIPTION:Topic: Quantum Effects Inside Black Holes\n\nSpeakers: Noa Zilb
erman: Princeton University\n\nABSTRACT: Astrophysical black holes are kno
wn to be rotating. Within\nclassical General Relativity\, the simplest spa
cetime solution (the\nKerr solution) describing a rotating black hole reve
als a traversable\npassage through an inner horizon – which in turn may le
ad to another\nexternal universe. But does this remain the case when takin
g quantum\neffects into account? \n\nAnswering this question\, along other
s\, requires one to understand the\nmanner in which quantum energy fluxes
affect the internal geometry of\na black hole. It has been widely anticipa
ted\, yet inconclusive (till\nthis work)\, that such effects would diverge
at the inner horizon of a\nspinning black hole. This divergence\, if inde
ed takes place\, may\ndrastically affect the internal black hole geometry\
, potentially\npreventing the inner horizon traversability. Clarifying thi
s issue\nrequires the computation of the quantum energy fluxes in black ho
le\ninteriors. However\, this has been a serious challenge for decades. \n
\nUsing a combination of old and new methods\, we have managed to compute
\nthe quantum energy fluxes at the inner horizon of a spinning black\nhole
\, in a vacuum state corresponding to an evaporating black hole. We\nfound
that these fluxes are either positive or negative\, depending on\nthe bla
ck hole spin (and polar angle). The sign of these fluxes may be\ncrucial t
o the nature of their backreaction on the geometry (as should\nbe dictated
by the semiclassical Einstein equation). \n\nIn this seminar\, we shall b
riefly describe the basic framework of\nsemiclassical general relativity a
nd the renormalization procedure\,\nand then present our novel results for
the quantum fluxes at the inner\nhorizon of a rotating black hole\, brief
ly mentioning possible\nimplications for the inner horizon traversability.
DTSTART:20240916T163000Z
DTEND:20240916T173000Z
LAST-MODIFIED:20240912T130117Z
LOCATION:Princeton University\, Jadwin Hall\, Princeton Gravity Initiative\
, 4th Floor
SUMMARY:Princeton University Gravity Initiative Fall Seminar Series
URL:https://www.ias.edu/sns/events/princeton-university-gravity-initiative-
fall-seminar-series-25
END:VEVENT
BEGIN:VEVENT
UID:33343135-3162-4138-b562-643336303764
DTSTAMP:20240917T093856Z
CREATED:20240906T134837Z
DESCRIPTION:Topic: Monopoles\, Duality\, and QED3\n\nSpeakers: Shai Chester
: Imperial College London\n\nABSTRACT: We consider quantum electrodynamics
in 2+1 dimensions\n(QED3) with N matter fields and Chern-Simons level k.
For small values\nof k and N\, this theory describes various experimentall
y relevant\nsystems in condensed matter\, and is also conjectured to be pa
rt of a\nweb of non-supersymmetric dualities. We compute the scaling dimen
sions\nof monopole operators in a large N and k expansion\, which appears
to\nbe extremely accurate even down to the smallest values of N and k\, an
d\nallows us to find dynamical evidence for these dualities and make\npred
ictions about the phase transitions. For instance\, we combine\nthese esti
mates with the conformal bootstrap to predict that the\nnotorious Neel-VBS
transition (QED3 with 2 scalars) is tricritical\,\nwhich was recently con
firmed by independent lattice simulations.\nLastly\, we propose a novel ph
ase diagram for QED3 with 2 fermions\,\nincluding duality with the O(4) Wi
lson-Fisher fixed point.
DTSTART:20240916T183000Z
DTEND:20240916T193000Z
LAST-MODIFIED:20240906T135003Z
LOCATION:Jadwin Hall\, PCTS Room 407
SUMMARY:Princeton University High Energy Theory Seminar
URL:https://www.ias.edu/sns/events/princeton-university-high-energy-theory-
seminar-13
END:VEVENT
BEGIN:VEVENT
UID:32303836-3961-4639-a334-613562663031
DTSTAMP:20240917T093856Z
CREATED:20240904T155836Z
DESCRIPTION:Topic: Visualizing Strongly Interacting Quantum Phases of Matte
r from the Wigner Crystal to Topological Phases for Building Next Generati
on Qubits\n\nSpeakers: Ali Yazdani: Princeton University\n\nABSTRACT: When
electrons are forced to interact strongly with each\nother\, some of the
most exotic electronic phases and novel\nquasiparticles may emerge. A key
approach to force electrons to\nstrongly interact with one another is to c
onfine them to energy bands\nwith no momentum dispersion\, i.e. flat bands
. Flat bands can be\nrealized in two-dimensional materials in a high magne
tic field or in\nnewly discovered moiré materials in which quantum interfe
rence can\ngive rise to flat energy bands. The journey of exploring old an
d new\nflat bands has taken us from confirming some of the earliest\npred
ictions for correlated phases of matter\, (first envisioned by\nEugene Wig
ner in the 1930s\, when he first arrived at Princeton) to new\napproaches
to probe novel quantum phases that may host exotic\nquasiparticles that ar
e neither boson or fermions. These quantum\nphases may play a key role in
the future of quantum computing by\nproviding an approach to build topolog
ical qubits.
DTSTART:20240919T200000Z
DTEND:20240919T210000Z
LAST-MODIFIED:20240904T160025Z
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-20
END:VEVENT
BEGIN:VEVENT
UID:30353831-3036-4661-b235-323463656334
DTSTAMP:20240917T093856Z
CREATED:20240904T160138Z
DESCRIPTION:Topic: Exploring Thermal CFTs from a Bootstrap Perspective\n\nS
peakers: Alessio Miscioscia: DESY\n\nABSTRACT: In this talk\, I will prese
nt recent developments in the\nstudy of Conformal Field Theories (CFTs) at
finite temperature. The\nmotivation for this work is different applicatio
ns to holography\,\nblack holes in AdS as well as statistical physics. The
rmal dynamics\nare constrained by the Kubo-Martin-Schwinger (KMS) conditio
n. I will\npresent explicit sum rules for one-point functions\, providing
a basis\nfor setting up a numerical bootstrap problem. The KMS condition c
an\nalso be used to extract the leading behaviour of one-point functions\n
for heavy operators analytically. Additionally\, I will extend the\ntherma
l bootstrap approach to temporal line defects\, akin to Polyakov\nloops in
gauge theories. The power of this framework will be\ndemonstrated with sp
ecific examples.
DTSTART:20240920T150000Z
DTEND:20240920T160000Z
LAST-MODIFIED:20240904T160301Z
LOCATION:Jadwin Hall\, PCTS Room 407
SUMMARY:Princeton University High Energy Theory Seminar
URL:https://www.ias.edu/sns/events/princeton-university-high-energy-theory-
seminar-11
END:VEVENT
BEGIN:VEVENT
UID:61633331-3934-4933-a330-333562306630
DTSTAMP:20240917T093856Z
CREATED:20240906T135110Z
DESCRIPTION:Topic: Self Dual Gravity and MHV Amplitudes\n\nSpeakers: Noah M
iller: Institute for Advanced Study\n\nABSTRACT: Based on HTTPS://ARXIV.OR
G/ABS/2408.11139(LINK IS EXTERNAL)\n(LINK OPENS IN NEW WINDOW)\n[https://n
am12.safelinks.protection.outlook.com/?url=https%3A%2F%2Farxiv.org%2Fabs%2
F2408.11139&data=05%7C02%7Cjjupiter%40princeton.edu%7C4ae741b3ffb14ac4752d
08dcca3f7ec6%7C2ff601167431425db5af077d7791bda4%7C0%7C0%7C6386076213157096
88%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1
haWwiLCJXVCI6Mn0%3D%7C0%7C%7C%7C&sdata=c44eZH6CQEoE4%2F2UN5b%2BZ8anSh%2FAr
hX%2FcaOfdbfpwgo%3D&reserved=0]\n. In pure Einstein gravity\, the amplitud
e for an arbitrary number of\npositive helicity gravitons to scatter is ze
ro at tree-level. If a\nsingle negative helicity graviton is added\, the a
mplitude is still\nzero. If two negative helicity gravitons are added\, ho
wever\, the\namplitude is non-zero. This is the so-called gravitational ma
ximal\nhelicity violating (MHV) amplitude\, and it is the simplest\nnon-va
nishing amplitude in Einstein gravity. In this talk we discuss\nthe relati
on between MHV amplitudes and “self dual gravity\,” which\nis an integrabl
e subsector of Einstein gravity which can be thought of\nas containing onl
y positive helicity gravitons. In particular\, we’ll\npresent a new way of
generating classical self-dual metrics and\ndiscuss its relation to the M
HV amplitude.
DTSTART:20240923T163000Z
DTEND:20240923T173000Z
LAST-MODIFIED:20240912T135741Z
LOCATION:Princeton University\, Jadwin Hall\, Princeton Gravity Initiative\
, 4th Floor
SUMMARY:Princeton University Gravity Initiative Fall Seminar Series
URL:https://www.ias.edu/sns/events/princeton-university-gravity-initiative-
fall-seminar-series-26
END:VEVENT
BEGIN:VEVENT
UID:63336361-3466-4532-b330-336161356132
DTSTAMP:20240917T093856Z
CREATED:20240904T160412Z
DESCRIPTION:Topic: Sea Storm as a Problem in Field Theory\n\nSpeakers: Greg
ory Falkovich\n\nAffiliation: Weizmann Institute\n\nABSTRACT: I shall desc
ribe the recent theoretical advances in the\ndescription of turbulence in
different media.\n\nAn important point is how different the meaning of ren
ormalization in\nturbulence is from what we used to know in the field theo
ry.\n\nFor quartic interaction\, we were recently able to compute the vert
ex\nrenormalization and distinguish systems with electrodynamics-type\nsup
pression from those with chromodynamics-type enhancement. The\nlatter lead
s to turbulence dominated by bound states.\n\nAs it seems to be a good tim
e to apply the field-theoretical methods\nto the oldest unsolved problem i
n physics\, I shall list several\npromising directions.
DTSTART:20240923T183000Z
DTEND:20240923T193000Z
LAST-MODIFIED:20240904T160526Z
LOCATION:Jadwin Hall\, PCTS Room 407
SUMMARY:Princeton University High Energy Theory Seminar
URL:https://www.ias.edu/sns/events/princeton-university-high-energy-theory-
seminar-12
END:VEVENT
BEGIN:VEVENT
UID:35623230-3662-4163-b966-333065653864
DTSTAMP:20240917T093856Z
CREATED:20240906T135647Z
DESCRIPTION:Speakers: Jan Albert: Princeton University\n\nABSTRACT:
DTSTART:20240927T150000Z
DTEND:20240927T161500Z
LAST-MODIFIED:20240906T135731Z
LOCATION:Jadwin Hall\, PCTS Room 407
SUMMARY:Princeton University High Energy Theory Seminar
URL:https://www.ias.edu/sns/events/princeton-university-high-energy-theory-
seminar-14
END:VEVENT
BEGIN:VEVENT
UID:64393734-3465-4662-a166-663438666166
DTSTAMP:20240917T093856Z
CREATED:20240906T135809Z
DESCRIPTION:Topic: TBA\n\nSpeakers: Hamed Masaood: Princeton University\n\n
ABSTRACT:
DTSTART:20240930T163000Z
DTEND:20240930T173000Z
LAST-MODIFIED:20240906T135845Z
LOCATION:Princeton University\, Jadwin Hall\, Princeton Gravity Initiative\
, 4th Floor & Zoom
SUMMARY:Princeton University Gravity Initiative Fall Seminar Series
URL:https://www.ias.edu/sns/events/princeton-university-gravity-initiative-
fall-seminar-series-27
END:VEVENT
BEGIN:VEVENT
UID:38643363-3238-4735-b062-616662396635
DTSTAMP:20240917T093856Z
CREATED:20240906T135924Z
DESCRIPTION:Topic: TBA\n\nSpeakers: Keefe Mitman: Princeton University\n\nA
BSTRACT:
DTSTART:20241007T163000Z
DTEND:20241007T173000Z
LAST-MODIFIED:20240906T140014Z
LOCATION:Princeton University\, Jadwin Hall\, Princeton Gravity Initiative\
, 4th Floor & Zoom
SUMMARY:Princeton University Gravity Initiative Fall Seminar Series
URL:https://www.ias.edu/sns/events/princeton-university-gravity-initiative-
fall-seminar-series-28
END:VEVENT
BEGIN:VEVENT
UID:65353361-3633-4162-a166-363438303839
DTSTAMP:20240917T093856Z
CREATED:20240906T140118Z
DESCRIPTION:Topic: TBA\n\nSpeakers: Zixia Wei: Harvard University\n\nABSTRA
CT: TBA
DTSTART:20241007T183000Z
DTEND:20241007T193000Z
LAST-MODIFIED:20240906T140157Z
LOCATION:Jadwin Hall\, PCTS Room 407
SUMMARY:Princeton University High Energy Theory Seminar
URL:https://www.ias.edu/sns/events/princeton-university-high-energy-theory-
seminar-15
END:VEVENT
BEGIN:VEVENT
UID:35323437-3839-4961-a433-653234353538
DTSTAMP:20240917T093856Z
CREATED:20240906T140256Z
DESCRIPTION:Speakers: Yue-Zhou Li: Princeton University\n\nABSTRACT:
DTSTART:20241011T150000Z
DTEND:20241011T161500Z
LAST-MODIFIED:20240906T140354Z
LOCATION:Jadwin Hall\, PCTS Room 407
SUMMARY:Princeton University High Energy Theory Seminar
URL:https://www.ias.edu/sns/events/princeton-university-high-energy-theory-
seminar-16
END:VEVENT
BEGIN:VEVENT
UID:34316464-3264-4366-b866-303437663966
DTSTAMP:20240917T093856Z
CREATED:20240906T140440Z
DESCRIPTION:Speakers: Gabriel Cuomo: Princeton University/New York Universi
ty\n\nABSTRACT:
DTSTART:20241025T150000Z
DTEND:20241025T161500Z
LAST-MODIFIED:20240909T135539Z
LOCATION:Jadwin Hall\, PCTS Room 407
SUMMARY:Princeton University High Energy Theory Seminar
URL:https://www.ias.edu/sns/events/princeton-university-high-energy-theory-
seminar-17
END:VEVENT
BEGIN:VEVENT
UID:31353264-3264-4132-a139-373465613936
DTSTAMP:20240917T093856Z
CREATED:20240906T140557Z
DESCRIPTION:Topic: TBA\n\nSpeakers: Federico Ambrosino: DESY\n\nABSTRACT: T
BA
DTSTART:20241104T193000Z
DTEND:20241104T203000Z
LAST-MODIFIED:20240906T140638Z
LOCATION:Jadwin Hall\, PCTS Room 407
SUMMARY:Princeton University High Energy Theory Seminar
URL:https://www.ias.edu/sns/events/princeton-university-high-energy-theory-
seminar-18
END:VEVENT
BEGIN:VEVENT
UID:35626136-3135-4761-b235-336266386338
DTSTAMP:20240917T093856Z
CREATED:20240906T140705Z
DESCRIPTION:Topic: TBA\n\nSpeakers: Sebastian Mizera: Princeton University
\n\nABSTRACT: TBA
DTSTART:20241202T193000Z
DTEND:20241202T203000Z
LAST-MODIFIED:20240906T140819Z
LOCATION:Jadwin Hall\, PCTS Room 407
SUMMARY:Princeton University High Energy Theory Seminar
URL:https://www.ias.edu/sns/events/princeton-university-high-energy-theory-
seminar-19
END:VEVENT
END:VCALENDAR