Entanglement detection in hybrid optomechanical systems

Gabriele De Chiara, Mauro Paternostro, G. Massimo Palma

Research output: Contribution to journalArticleResearchpeer-review

76 Citations (Scopus)

Abstract

We study a device formed by a Bose-Einstein condensate (BEC) coupled to the field of a cavity with a moving end mirror and find a working point such that the mirror-light entanglement is reproduced by the BEC-light quantum correlations. This provides an experimentally viable tool for inferring mirror-light entanglement with only a limited set of assumptions. We prove the existence of tripartite entanglement in the hybrid device, persisting up to temperatures of a few milli-Kelvin, and discuss a scheme to detect it. © 2011 American Physical Society.
Original languageEnglish
Article number052324
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume83
Issue number5
DOIs
Publication statusPublished - 26 May 2011

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