Separability and entanglement of composite quantum systems

Preprint

22 July 1997

preprint
Published by arXiv in arXiv

https://doi.org/10.48550/arXiv.quant-ph/9707043

Abstract

We provide a constructive algorithm to find the best separable approximation to an arbitrary density matrix of a composite quantum system of finite dimensions. The method leads to a condition of separability and to a measure of entanglement.

Keywords

COMPOSITE QUANTUM SYSTEM
SEPARABLE APPROXIMATION
ARBITRARY DENSITY
QUANTUM SYSTEMS
DENSITY MATRIX
ENTANGLEMENT
ALGORITHM

All Related Versions

Version 1, 1997-07-22, ArXiv
Published version: Physical Review Letters, 80 (11), 2261.

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