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Regensburg 2019 – wissenschaftliches Programm

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DY: Fachverband Dynamik und Statistische Physik

DY 29: Many-body Quantum Dynamics

DY 29.1: Hauptvortrag

Mittwoch, 3. April 2019, 09:30–10:00, H19

Dynamical localization in Z_2 lattice gauge theories — •Dmitry Kovrizhin — Rudolf Peierls Centre for Theoretical Physics

We study quantum quenches in two-dimensional lattice gauge theories with fermions coupled to Z_2 gauge fields. Through the identification of an extensive set of conserved quantities we propose a generic mechanism of dynamical localization in the absence of quenched disorder, and provide diagnostics of this localization via a set of measures including entanglement measures, and out-of-time-order correlators. We discuss applications of our general phenomenology of disorder-free localization to dynamics of defects in Kitaev's toric code, and quantum quenches in Hubbard models.

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