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Entanglement quantification and purification in continuous variable systems

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arxiv quant-ph/9906098 v1 pith:YUISHZ6P submitted 1999-06-25 quant-ph

Entanglement quantification and purification in continuous variable systems

classification quant-ph
keywords entanglementcontinuouspurificationsystemsvariabledevelopmethodsquantification
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We develop theoretical and numerical tools for the quantification of entanglement in systems with continuous degrees of freedom. Continuous variable entanglement swapping is introduced and based on this idea we develop methods of entanglement purification for continuous variable systems. The success of these entanglement purification methods is then assessed using these tools.

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