Criteria of partial separability of multipartite qubit mixed-states
Quantum Physics
2007-05-23 v2
Abstract
In this paper, we discuss the partial separability and its criteria problems of multipartite qubit mixed-states. First we strictly define what is the partial separability of a multipartite qubit system. Next we give a reduction way from N-partite qubit density matrixes to bipartite qubit density matrixes, and prove a necessary condition that a N-partite qubit mixed-state to be partially separable is its reduction to satisfy the PPT condition. PACC numbers: 03.67.Mn; 03.65.Ud; 03.67.Hk
Keywords
Cite
@article{arxiv.quant-ph/0409182,
title = {Criteria of partial separability of multipartite qubit mixed-states},
author = {Zai-Zhe Zhong},
journal= {arXiv preprint arXiv:quant-ph/0409182},
year = {2007}
}
Comments
13 pages, no figure, the revision of quant-ph/0403173