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Center for Astrophysics Research and Technologies Seminar Series Information

 

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Quantum Chaos Series: Indicators of many-body quantum chaos and time scales for equilibration

Thursday August 13, 2020
9:00 am


 Presenter:  Lea Santos (Yeshiva University)
 Series:  CQuIC Seminars
 Abstract:  A QUANTUM CHAOS SEMINAR presented in a Zoom meeting vetted by CQuIC, organized by Pablo Poggi in collaboration with Pieter Claeys.
See https://sites.google.com/view/pablopoggi/qchaos2020-seminars, where further information is provided, along with the actual streaming link.



In this talk, various indicators of quantum chaos will be presented and compared, including level statistics, structure of eigenstates, matrix elements of observables, and out-of-time ordered correlators. Particular attention will be given to the correlation hole, which is a dynamical manifestation of spectral correlations. We use it to discuss the time scales involved in the relaxation process of isolated many-body quantum systems. While there is consensus on what equilibration and thermalization mean in these systems, there is no agreement on how long they take to reach equilibrium.
 Web Site:    https:/ / sites.google.com/ view/ pablopoggi/ qchaos2020-seminars
 Host:  Pablo Poggi
 Location:  Zoom, Physics & Astronomy

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