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Driven many-body systems


Adventures in the Theoretical Sciences, ITS summer school
Vadim Oganesyan lecture

Thursday, July 9 and Friday, July 10
11:00 AM - 1:00 PM (EDT)

Quantum many-body physics has broadened its scope in recent decades from its traditional emphasis on low temperature correlated behaviors to dynamics of highly excited states, from linear response to far-from equilibrium dynamics, e.g. quantum quenches. This development has been stimulated both by experimental advances in cold atomic gases, but also by theoretical progress formulating and understanding the phenomena of quantum thermalization and many-body localization, among others. Application of these ideas to periodically driven (Floquet) problems continue to broaden and enrich the field—in particular, reviving interest in time-translation symmetry breaking. The lectures will begin with a survey of this body of knowledge, possibly highlighting less well developed areas. Interesting examples of non-Floquet problems will be presented in the second part of the lecture, including recent work with Eliot Kapit on enhanced quantum tunneling in adiabatic quantum computers.

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