Many-body localization regime for cavity-induced long-range interacting models

Titas Chanda and Jakub Zakrzewski
Phys. Rev. B 105, 054309 – Published 15 February 2022
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  • INTRODUCTION
  • MODEL AND METHODS
  • THE DISORDERED CASE
  • DISORDER-FREE MODELS
  • DISCUSSION
  • ACKNOWLEDGMENTS
    • References

    Abstract

    Many-body localization (MBL) features are studied here for a large spin chain model with long-range interactions. The model corresponds to cold atoms placed inside a cavity and driven by an external laser field with long-range interactions coming from rescattering of cavity photons. Earlier studies were limited to small sizes amenable to exact diagonalization. It is shown that nonergodic features and MBL may exist in this model for random disorder as well as in the presence of tilted potential on experimental timescales also for experimentally relevant system sizes using tensor network algorithms.

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    • Received 23 December 2021
    • Revised 3 February 2022
    • Accepted 3 February 2022

    DOI:https://doi.org/10.1103/PhysRevB.105.054309

    ©2022 American Physical Society

    Physics Subject Headings (PhySH)

    1. Research Areas
    Anderson localizationCold atoms & matter wavesCold gases in optical latticesEntanglement in quantum gasesLocalizationStark effect
    Condensed Matter, Materials & Applied PhysicsAtomic, Molecular & Optical

    Authors & Affiliations

    Titas Chanda1 and Jakub Zakrzewski2,3,*

    • 1The Abdus Salam International Centre for Theoretical Physics (ICTP), Strada Costiera 11, 34151 Trieste, Italy
    • 2Institute of Theoretical Physics, Jagiellonian University, Łojasiewicza 11, 30-348 Kraków, Poland
    • 3Mark Kac Complex Systems Research Center, Jagiellonian University, Łojasiewicza 11, 30-348 Kraków, Poland

    • *jakub.zakrzewski@uj.edu.pl

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    Issue

    Vol. 105, Iss. 5 — 1 February 2022

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