How much state assignments can differ

被引:26
|
作者
Brun, TA
Finkelstein, J
Mermin, ND
机构
[1] Inst Adv Study, Princeton, NJ 08540 USA
[2] San Jose State Univ, Dept Phys, San Jose, CA 95192 USA
[3] Cornell Univ, Atom & Solid State Phys Lab, Ithaca, NY 14853 USA
来源
PHYSICAL REVIEW A | 2002年 / 65卷 / 03期
关键词
D O I
10.1103/PhysRevA.65.032315
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We derive necessary and sufficient conditions for a group of density matrices to characterize what different people may know about one and the same physical system.
引用
收藏
页码:1 / 4
页数:4
相关论文
共 50 条