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Floquet quantum criticality
It has recently been shown that quenched randomness, via the phenomenon of many-body localization, can stabilize dynamical phases of matter in periodically driven (Floquet) systems, with one example being discrete...
Nov 21, 2019
Cosmology from Condensed Matter Physics: A study of out-of-equilibrium physics
In this work, our prime focus is to study the one to one correspondence between the conduction phenomena in electrical wires with impurity and the scattering events responsible for particle...
Nov 21, 2019
Searching for new physics with the 21-cm line
I will describe how current and upcoming 21-cm measurements during cosmic dawn can probe a plethora of dark-matter and dark-energy models. This era saw the formation of the first stars...
Nov 22, 2019
Revivals imply quantum many-body scars
We derive general results relating revivals in the dynamics of quantum many-body systems to the entanglement properties of energy eigenstates. For a D-dimensional lattice system of N sites initialized in...
Nov 22, 2019
Modeling the pseudogap state in cuprates: quantum disordered pair density wave
I will briefly review the pseudogap phenomenology in high Tc cuprate superconductor, especially the recent experiments, and propose a unified picture of the phenomenology under only one assumption: the fluctuating...
Nov 25, 2019
Cosmology and cosmography from peculiar velocities in the nearby Universe
Maps of the mass density field can be used to predict peculiar velocities point-by-point. The comparison of these predictions to peculiar velocity data can be used to determine the cosmological...
Nov 26, 2019
Bootstrapping Inflationary Correlators
The central idea of the bootstrap philosophy is to constrain observables directly from consistency conditions alone, bypassing the intricacies of the Lagrangian formalism. In this talk, I will adopt this...
Nov 26, 2019
Defect Monstrous Moonshine
The Monster CFT is a (1+1)d holomorphic CFT with the Monster group global symmetry. The symmetry twisted partition functions exhibit the celebrated Monstrous Moonshine Phenomenon. From a modern point of...
Nov 26, 2019
A post-quantum theory of classical gravity?
We consider a consistent theory of classical systems coupled to quantum ones. The dynamics is linear in the density matrix, completely positive and trace-preserving. We apply this to construct a...
Nov 26, 2019