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Macroscopic Entanglement by Entanglement Swapping

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arxiv quant-ph/0509119 v2 pith:Z67U757Q submitted 2005-09-18 quant-ph cond-mat.otherphysics.optics

Macroscopic Entanglement by Entanglement Swapping

classification quant-ph cond-mat.otherphysics.optics
keywords entanglementschemeswappingapplicationarbitrarybipartiteeffectsentangling
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We present a scheme for entangling two micromechanical oscillators. The scheme exploits the quantum effects of radiation pressure and it is based on a novel application of entanglement swapping, where standard optical measurements are used to generate purely mechanical entanglement. The scheme is presented by first solving the general problem of entanglement swapping between arbitrary bipartite Gaussian states, for which simple input-output formulas are provided.

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