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Separability criteria for multipartite quantum mixed states

Zhou Hui

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The separability of mixed states in multipartite quantum systems is investigated. If a quantum state in a multipartite system with an arbitrary dimension is separable, some quantity in relation to Hermitian matrix is positive.


PACS

03.67.Mn Entanglement measures, witnesses, and other characterizations

03.65.Fd Algebraic methods

03.65.Ud Entanglement and quantum nonlocality (e.g. EPR paradox, Bell's inequalities, GHZ states, etc.)

02.10.Yn Matrix theory

Subjects

Mathematical physics

Computational physics

Quantum information and quantum mechanics

Dates

Issue 2 ( 1 February 2005)

Received 14 April 2004, in final form 14 September 2004



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