Comment on "Criteria for Separability of Multipartite Quantum System"

被引：0
|
作者：
Chang, Da-Wei [1 ]
机构：
[1] Shaanxi Normal Univ, Fac Math & Informat Sci, Xian 710062, Peoples R China
来源：
INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS | 2015年 / 54卷 / 07期
关键词：
Separability; Density matrix; Quantum entanglement; Multipartite quantum system; Werner state;
D O I：
10.1007/s10773-014-2445-6
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Recently, Tao et al. (Int. J. Theor. Phys. 52 (6), 1970-1978, 2013) established a representation of density matrix for multipartite quantum system. Moreover, according to this representation of the density matrix for multipartite quantum system, Tao et al. (Int. J. Theor. Phys. 52 (6), 1970-1978, 2013) have presented two necessary criteria for separability of multipartite quantum system of arbitrary dimensions, for example, see Theorem 2.1 and Theorem 2.2. In this Comment, we would like to point out that Theorem 2.2 given by Tao et al. (Int. J. Theor. Phys. 52 (6), 1970-1978, 2013) is incorrect in general.
引用
收藏
页码：2255 / 2257
页数：3
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