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Entanglement swapping with local certification: Application to remote micromechanical resonators

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arxiv 1204.4887 v2 pith:TOOPPQ6W submitted 2012-04-22 quant-ph cond-mat.mes-hallphysics.optics

Entanglement swapping with local certification: Application to remote micromechanical resonators

classification quant-ph cond-mat.mes-hallphysics.optics
keywords entanglementlocalprotocolremotesystemscertificationcertifiedmeasurements
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We propose a protocol for entanglement swapping which involves tripartite systems. The generation of remote entanglement induced by the Bell measurement can be easily certified by additional local measurements. We illustrate the protocol in the case of continuous variable systems where the certification is effective for an appropriate class of three-mode Gaussian states. We then apply the protocol to optomechanical systems, showing how mechanical entanglement between two remote micromechanical resonators can be generated and certified via local optical measurements.

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