PIRSA:C19021 - Quantum Matter: Emergence & Entanglement 3PODCAST Subscribe to podcast

Quantum Matter: Emergence & Entanglement 3

Organizer(s): Guifre Vidal   Yin-Chen He   Timothy Hsieh   Chong Wang   Beni Yoshida  

Collection URL: http://pirsa.org/C19021

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PIRSA:19040091  ( MP4 Medium Res , MP3 , PDF ) Which Format?
Theory of a Planckian metal with a remnant Fermi surface.
Speaker(s): Subir Sachdev
Date: 22/04/2019 - 9:30 am

PIRSA:19040092  ( MP4 Medium Res , MP3 , PDF ) Which Format?
Twisted foliated fracton order
Speaker(s): Xie Chen
Abstract: In the study of three-dimensional gapped models, two-dimensional gapped states can be considered as a free resource. This is the basic idea underlying our proposal of the notion of `foliated fracton order'. Using this idea, we have found that many of the known type-I fracton models, like the X-cube ... read more
Date: 22/04/2019 - 10:45 am

PIRSA:19040093  ( MP4 Medium Res , MP3 , PDF ) Which Format?
Landau ordering and other phase transitions beyond the Landau paradigm
Speaker(s): Senthil Todadri
Abstract: I will discuss several examples of novel continuous phase transitions, primarily in 3+1-D, that are beyond the standard Landau paradigm of order parameter fluctuations. These provide non-trivial examples of deconfined quantum critical points.
Date: 22/04/2019 - 11:30 am

PIRSA:19040094  ( MP4 Medium Res , MP3 , PDF ) Which Format?
QED and quantum magnetism in (2+1)d
Speaker(s): Chong Wang
Abstract: The interplay of symmetry and topology has been at the forefront of recent progress in quantum matter. In this talk I will discuss an unexpected connection between band topology and competing orders in a quantum magnet. The key player is the two-dimensional Dirac spin liquid (DSL), which at low ener... read more
Date: 22/04/2019 - 2:00 pm

PIRSA:19040095  ( MP4 Medium Res , MP3 , PDF ) Which Format?
From cold to lukewarm to hot electrons
Abstract: I will present a study of the single-particle properties of hot, lukewarm and cold electrons that coexist in the two-dimensional antiferromagnetic quantum critical metal within a unified theory. I will show how to generalize the theory that describes the interaction of critical spin-density wave flu... read more
Date: 22/04/2019 - 2:45 pm

PIRSA:19040096  ( MP4 Medium Res , MP3 , PDF ) Which Format?
Shadow of complex fixed point: Approxmiate conformality of Q>4 Potts model
Speaker(s): Han Ma
Abstract: In this talk, I will discuss a newly proposed (pseudo-)critical phenomena governed by complex fixed points. I will start with the idea of complex fixed point at complex physical couplings and then introduce the recent conjectured complex conformal field theory with complex conformal data (e.g. centr... read more
Date: 22/04/2019 - 4:00 pm

PIRSA:19040097  ( MP4 Medium Res , MP3 , PDF ) Which Format?
On the relation between the magnitude and exponent of OTOCs
Speaker(s): Yingfei Gu
Date: 23/04/2019 - 9:30 am

PIRSA:19040099  ( MP4 Medium Res , MP3 , PDF ) Which Format?
Firewalls vs. Scrambling
Speaker(s): Beni Yoshida
Abstract: Recently we pointed out that the black hole interior operators can be reconstructed by using the Hayden-Preskill recovery protocols. Building on this observation, we propose a resolution of the firewall problem by presenting a state-independent reconstruction of interior operators. Our construction ... read more
Date: 23/04/2019 - 11:30 am

PIRSA:19040101  ( MP4 Medium Res , MP3 , PDF ) Which Format?
Theory of entanglement phase transitions and natural error correction in quantum circuits with measurement
Speaker(s): Ehud Altman
Date: 23/04/2019 - 3:00 pm

PIRSA:19040102  ( MP4 Medium Res , MP3 , PDF ) Which Format?
Onset of Random Matrix Statistics in Scrambling Systems
Speaker(s): Hrant Gharibyan
Abstract: The fine grained energy spectrum of quantum chaotic systems, which are widely believed to be characterized by random matrix statistics. A basic scale in these systems is the energy range over which this behavior persists. We defined the corresponding time scale by the time at which the linearly grow... read more
Date: 23/04/2019 - 3:45 pm

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