Separability and entanglement of composite quantum systems
量子物理
2009-10-30 v1
摘要
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.
引用
@article{arxiv.quant-ph/9707043,
title = {Separability and entanglement of composite quantum systems},
author = {Maciej Lewenstein and Anna Sanpera},
journal= {arXiv preprint arXiv:quant-ph/9707043},
year = {2009}
}
备注
4 pages Latex, 1 figure