Temporal bistability in the dissipative Dicke-Bose-Hubbard system

Tianyi Wu, Sayak Ray*, Johann Kroha

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

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Abstract

A driven-dissipative system is considered, consisting of an atomic Bose-Einstein condensates loaded into a 2D Hubbard lattice and coupled to a single mode of an optical cavity. Due to the interplay between strong, repulsive atomic interaction and the atom-cavity coupling, the system exhibits several phases of atoms and photons including the atomic superfluid (SF) and supersolid (SS). The dynamical behavior of the system, where dissipation is included by means of Lindblad master equation formalism. Due to the discontinuous nature of the Dicke transition for strong atomic repulsion, extended co-existence region of different phases are found. The resulting switching dynamics are investigated, particularly between the coexisting SF and SS phases, which eventually becomes damped by the dissipation.
Original languageEnglish
Number of pages9
JournalAnnalen der Physik
VolumeEarly View
DOIs
Publication statusE-pub ahead of print - 22 Feb 2024

Keywords

  • Bistability
  • Cold gases in optical lattice
  • Dicke phase transition
  • Dissipative dynamics
  • Non-equilibrium dynamics

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