Entanglement detection in hybrid optomechanical systems

6533b86ffe1ef96bd12cdd13

RESEARCH PRODUCT

Entanglement detection in hybrid optomechanical systems

Mauro Paternostro G. Massimo Palma Gabriele De Chiara

subject

Field (physics)FOS: Physical sciences Quantum entanglement Squashed entanglement 01 natural sciences 010305 fluids & plasmas law.invention law Quantum mechanics 0103 physical sciences Point (geometry)010306 general physics Quantum Condensed Matter::Quantum Gases Physics Quantum Physics Hybrid device Condensed Matter::Other Quantum Physics Atomic and Molecular Physics and Optics Bose Einstein Condensate entanglement mesoscopic systems Quantum Gases (cond-mat.quant-gas)BOSE-EINSTEIN CONDENSATE; OPTICAL CAVITY Quantum Physics (quant-ph)Condensed Matter - Quantum Gases Bose–Einstein condensate

description

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.

year	journal	country	edition	language
2011-05-03	Physical Review A

https://doi.org/10.1103/physreva.83.052324

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