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Vacuum Fluctuations induced Entanglement between Two Mesoscopic Systems

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arxiv 0705.3477 v1 pith:5TR4MQ6E submitted 2007-05-23 quant-ph

Vacuum Fluctuations induced Entanglement between Two Mesoscopic Systems

classification quant-ph
keywords entanglementfieldfluctuationsmesoscopicsystemsvacuumcavityconvenient
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We study the dynamics of a pair of molecular ensembles trapped inside a superconducting resonator through which they are strongly coupled via a microwave field mode. We find that entanglement can be generated via "vacuum fluctuations" even when the molecules and cavity field are initially prepared in their ground state. This entanglement is created in a relatively short time and without the need for further manipulation of the system. It does, therefore, provide a convenient scheme to entangle two mesoscopic systems, and may well be useful quantum information processing.

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