Intertwined and vestigial order with ultracold atoms in multiple cavity modes

Sarang Gopalakrishnan, Yulia E. Shchadilova, Eugene Demler

Research output: Contribution to journalArticlepeer-review

Abstract

Atoms in transversely pumped optical cavities "self-organize" by forming a density wave and emitting superradiantly into the cavity mode(s). For a single-mode cavity, the properties of this self-organization transition are well characterized both theoretically and experimentally. Here, we explore the self-organization of a Bose-Einstein condensate in the presence of two cavity modes - a system that recently was realized experimentally [Léonard, Nature (London) 543, 87 (2017)NATUAS0028-083610.1038/nature21067]. We argue that this system can exhibit a "vestigially ordered" phase in which neither cavity mode exhibits superradiance but the cavity modes are mutually phase locked by the atoms. We argue that this vestigially ordered phase should generically be present in multimode cavity geometries.

Original languageEnglish (US)
Article number063828
JournalPhysical Review A
Volume96
Issue number6
DOIs
StatePublished - Dec 19 2017

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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