After decades of preparation, the era of gravitational wave
astronomy has begun. The gravitational wave detectors, LIGO and
Virgo, have published a catalog of 90 events of coalescing compact
objects including black holes and neutron stars. I will...
In the first half of the talk, I will review the notion of
non-invertible symmetries and how they help us to analyze certain
strongly coupled QFTs like 2d Adjoint QCD. Then, I discuss the
representation theory of non-invertible symmetries and use
it...
Astronomical observations indicate that coherent, dynamically
important magnetic fields are ubiquitous in the Universe. However,
neither the origin problem -- what are the physical mechanisms that
generate the initial ``seed'' magnetic fields —- nor...
A primary scientific outcome of the Apollo program was the giant
impact theory for lunar origin, in which a collision at the end of
Earth’s main accretionary phase creates a disk from which the Moon
forms. In the past decade, the nature of a Moon...
Gravity plays the central role in structure formation and
evolution in astronomical scales. Despite the apparently simple
inverse square law for the gravitational force in the
non-relativistic regime, the dynamics of self-gravitating
many-body...
Millimeter-wave surveys of the sky have the potential for
yielding a wealth of information about our universe from the first
instants of its existence to our own solar system. I will describe
how modern measurements of the cosmic microwave...
We revisit the lattice formulation of the Schwinger model using
the Kogut-Susskind Hamiltonian approach with staggered fermions.
This model, introduced by Banks et al., contains the mass
term mlat ∑n (−1)nχ†nχn, and setting it to zero is often...
In this talk I will discuss aspects of decoupling fields that
appear in the engineering of 4d SCFTs from compactifications of 6d
(1,0) SCFTs of A_(N-1) type. By studying various ways of
constructing the anomaly polynomial for the 4d theory, it is...
