CMT Seminar - Ying Ran, Boston College - Monday, May 2nd - 11:30am, 1080 Smith Seminar Room PRB

[Robbins, Eric]

Please join us for a Special CMT Seminar presented by Marcos Rigol, Pennsylvania State University on Monday, May 2nd at 11:30am in 1080 Smith Seminar Room

" Quantum quenches and thermalization in the thermodynamic"

Abstract: Studies of the quantum dynamics of isolated systems are currently providing fundamental insights into how statistical mechanics emerges under unitary time evolution. Thermalization seems ubiquitous, but experiments with ultracold gases have shown that it need not always occur, particularly near an integrable point. Unfortunately, computational studies of generic (nonintegrable) models are limited to small systems, for which arbitrarily long times can be calculated, or short times, for which large or infinite system sizes can be solved. Consequently, what happens in the thermodynamic limit after long times has been inaccessible to theoretical studies. In this talk, we introduce a linked-cluster based computational approach that allows
one to address the latter question in lattice systems. We use this approach to: (i) probe the breakdown of thermalization when approaching an integrable point [1], (ii) study quenches in the integrable XXZ chain [2,3], and (iii) probe the breakdown of thermalization when entering a many-body localized phase [4].

Thank you,
Eric
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