Fermionic Superradiance in a Transversely Pumped Optical Cavity

J. Keeling, M. J. Bhaseen, B. D. Simons

Research output: Contribution to journalArticlepeer-review

66 Citations (Scopus)

Abstract

Following the experimental realization of Dicke superradiance in Bose gases coupled to cavity light fields, we investigate the behavior of ultracold fermions in a transversely pumped cavity. We focus on the equilibrium phase diagram of spinless fermions coupled to a single cavity mode and establish a zero temperature transition to a superradiant state. In contrast to the bosonic case, Pauli blocking leads to lattice commensuration effects that influence self-organization in the cavity light field. This includes a sequence of discontinuous transitions with increasing atomic density and tricritical superradiance. We discuss the implications for experiment.
Original languageEnglish
Article number143002
Number of pages5
JournalPhysical Review Letters
Volume112
Issue number14
DOIs
Publication statusPublished - 8 Apr 2014

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