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DY: Fachverband Dynamik und Statistische Physik

DY 2: Focus Session: New Routes to Localization and Quantum Non-Ergodicity I (joint session TT/DY)

DY 2.3: Topical Talk

Montag, 9. März 2026, 10:30–11:00, HSZ/0003

Dynamical landscape of out of equilibrium emergent lattice gauge theories in two dimensions — •Nilotpal Chakraborty — University of Cambridge

Many-body models with local constraints, such as dimer, ice or generally quantum link type models often are described as emergent gauge theories. I will describe a range of recent results, comprising classical and quantum dynamics of different kind, highlighting the rich dynamical phenomenology present in these models. In line with the session's topic, I will focus more on the two-dimensional U(1) quantum link model, and highlight its potential as a new route toward localisation and non-ergodicity in the absence of quenched disorder. In doing so, I will also present spectral signatures of such localization. Finally, I will end by discussing possibilities of realising the different constrained models and their dynamics in quantum simulators, for which there appears to be palpable current interest.

Keywords: Quantum dynamics; Non-ergodicity; Lattice gauge theories; Quantum simulators