Many-body localization in presence of cavity mediated long-range interactions

Piotr Sierant, Krzysztof Biedroń, Giovanna Morigi, Jakub Zakrzewski

SciPost Phys. 7, 008 (2019) · published 11 July 2019

Abstract

We show that a one-dimensional Hubbard model with all-to-all coupling may exhibit many-body localization in the presence of local disorder. We numerically identify the parameter space where many-body localization occurs using exact diagonalization and finite-size scaling. The time evolution from a random initial state exhibits features consistent with the localization picture. The dynamics can be observed with quantum gases in optical cavities, localization can be revealed through the time-dependent dynamics of the light emitted by the resonator.

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Hubbard model Many-body localization (MBL) Optical cavities Quantum gases

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