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A simple entanglement measure for multipartite pure states

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arxiv quant-ph/0405133 v2 pith:VKT33DWT submitted 2004-05-22 quant-ph

A simple entanglement measure for multipartite pure states

classification quant-ph
keywords measuremultipartitepurestatesentangledentanglementsimpledensity
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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A simple entanglement measure for multipartite pure states is formulated based on the partial entropy of a series of reduced density matrices. Use of the proposed new measure to distinguish disentangled, partially entangled, and maximally entangled multipartite pure states is illustrated.

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