ENSEMBLE-DEPENDENT BOUNDS FOR ACCESSIBLE INFORMATION IN QUANTUM-MECHANICS

被引:63
作者
FUCHS, CA
CAVES, CM
机构
[1] Center for Advanced Studies, Department of Physics and Astronomy, University of New Mexico, Albuquerque
关键词
D O I
10.1103/PhysRevLett.73.3047
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We simplify the derivation of the Holevo upper bound on the maximum information extractable from a quantum communication channel. This simplification leads to upper and lower bounds for binary channels, both of which depend explicitly on the message ensemble. © 1994 The American Physical Society.
引用
收藏
页码:3047 / 3050
页数:4
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