Entanglement measure for multipartite pure states and its numerical calculation

Details Entanglement measure for multipartite pure states and its numerical calculation Entanglement measure for multipartite pure states and its numerical calculation

Publishing date

2009-05-02

URL

arxiv.org/abs/0905.0201v1

Science

Physics

Field

Quantum Physics

Additional info

14 pages

Type

Scientific paper

Abstract

The quantification and classification of quantum entanglement is a very important and still open question of quantum information theory. In this paper, we describe an entanglement measure for multipartite pure states (the minimum of Shannon's entropy of orthogonal measurements). This measure is additive, monotone under LOCC, and coincides with the reduced von Neumann entropy on bipartite states. A method for numerical calculation of this measure by genetic algorithms is also presented. Moreover, the minimization of entropy technique is extended to fermionic states.

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