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Open Quantum Systems Decoherence

Intertwined and vestigial order with ultracold atoms in multiple cavity modes

arXiv

Authors: Sarang Gopalakrishnan, Yulia E. Shchadilova, Eugene Demler

Year

2017

Paper ID

44653

Status

Preprint

Abstract Read

~2 min

Abstract Words

109

Citations

N/A

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 was recently experimentally realized \[Leonard et al., Nature {\bf 543}, 87 (2017)\]. 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.

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Atoms in transversely pumped optical cavities "self-organize" by forming a density wave and emitting superradiantly into the cavity mode(s).

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1707.03907 [2] arXiv https://arxiv.org/abs/1707.03907 [3] Publisher https://arxiv.org/abs/1707.03907

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