Distinguishability of complete and unextendible product bases

被引：91
作者：
De Rinaldis, S
机构：
[1] Univ Toronto, Dept Chem, Chem Phys Theory Grp, Toronto, ON M5S 3H6, Canada
[2] IBM Corp, Thomas J Watson Res Ctr, Quantum Informat Grp, Yorktown Hts, NY 10598 USA
来源：
PHYSICAL REVIEW A | 2004年 / 70卷 / 02期
关键词：
D O I：
10.1103/PhysRevA.70.022309
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
It is not always possible to distinguish multipartite orthogonal states if only local operations and classical communication (LOCC) are allowed. We prove that we cannot distinguish the states of an unextendible product basis by LOCC even with infinite resources (infinite-dimensional ancillas, infinite number of operations). Moreover we give a necessary and sufficient condition for the LOCC distinguishability of a complete product basis.
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页码：022309 / 1
页数：5
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