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Berlin 2018 – scientific programme

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DY: Fachverband Dynamik und Statistische Physik

DY 36: Focus: Chaos and Correlation in Quantum Matter (joint session DY/TT)

Wednesday, March 14, 2018, 09:30–12:15, EB 107

The irreversibility of dynamics of complex systems (”emergent arrow of time”) has been a point of controversy lasting over a century. At its heart lies the seeming contradiction between the intrinsic reversibility of the microscopic laws of nature and the manifestly time-irreversible behavior of macroscopic phenomena. Chaos plays a crucial role in resolving this paradox. The past decade has seen a great revival of interest in this question concerning the foundations of quantum statistical mechanics and how chaos arises in quantum manybody systems. It has been driven by theoretical findings involving the long sought demonstration that many-body localization (MBL) exists as well as the derivation of exact bounds on chaos. On the experimental side, significant advances have been made in the study of cold atomic gases which provide examples of closed macroscopic quantum systems for which the foundational questions of quantum statistical mechanics are especially relevant. The focus session will summarize recent advances in this very active field of studies.

Coordinators: Frank Pollmann, David Luitz

09:30 DY 36.1 Invited Talk: Computing quantum thermalization dynamics: from quantum chaos to emergent hydrodynamics — •Ehud Altman
10:00 DY 36.2 Hydrodynamics of operator spreading from random circuits — •Tibor Rakovszky, Curt von Keyserlingk, Shivaji Sondhi, and Frank Pollmann
10:15 DY 36.3 Out-Of-Time-Ordered Correlators in Chaotic and Critical Many-Body Systems: Path Interference and Scrambling Times — •Josef Rammensee, Benjamin Geiger, Juan Diego Urbina, and Klaus Richter
10:30 DY 36.4 Out of time order correlators from the time dependent variational principle — •Kevin Hemery, Frank Pollmann, and David Luitz
10:45 DY 36.5 Out-of-time-ordered correlation functions in the O(N) model — •Alexander Schuckert and Michael Knap
  11:00 15 min. break
11:15 DY 36.6 Invited Talk: Quantum Thermalization Dynamics: From Information Scrambling to Emergent Hydrodynamics — •Michael Knap
  11:45 DY 36.7 The contribution has been withdrawn.
12:00 DY 36.8 What is the right theory of transverse Anderson localization of light? — •Walter Schirmacher, Behnam Abaie, Arash Mafi, Giancarlo Ruocco, and Marco Leonetti
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