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<p class="MsoNormal"><span style="font-family:"Times New Roman",serif">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<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Times New Roman",serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Times New Roman",serif">"</span> <span style="font-family:"Times New Roman",serif">
Quantum quenches and thermalization in the thermodynamic"<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Times New Roman",serif">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<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Times New Roman",serif">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].<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Times New Roman",serif">Thank you,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Times New Roman",serif">Eric<o:p></o:p></span></p>
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