0607084v2

related topics
{state, states, entangled}
{entanglement, phys, rev}
{let, theorem, proof}
{states, state, optimal}
{bell, inequality, local}
{time, decoherence, evolution}
{equation, function, exp}

Evaluable multipartite entanglement measures: are multipartite concurrences entanglement monotones?

Rafal Demkowicz-Dobrzanski, Andreas Buchleitner, Marek Kus, Florian Mintert

abstract: We discuss the monotonicity under local operations and classical communication (LOCC) of systematically constructed quantities aiming at quantification of entanglement properties of multipartite quantum systems. The so-called generalized multipartite concurrences can qualify as legitimate entanglement measures if they are monotonous under LOCC. In the paper we give a necessary and sufficient criterion for their monotonicity.

oai_identifier:
oai:arXiv.org:quant-ph/0607084
categories:
quant-ph
comments:
7 pages, 1 figure, minor changes - clarity of proofs improved
doi:
10.1103/PhysRevA.74.052303
arxiv_id:
quant-ph/0607084
journal_ref:
Phys. Rev. A 74, 052303 (2006)
created:
2006-07-13
updated:
2006-08-04

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