Nonlocal unambiguous discrimination among N nonorthogonal qudit states lying in a higher-dimensional Hilbert space

被引：29

作者：

Chen LiBing ^{[1
]}

Lu Hong ^{[1
]}

机构：

[1] Foshan Univ, Dept Photoelectron & Phys, Foshan 528000, Peoples R China

来源：

SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY | 2012年 / 55卷 / 01期

关键词：

nonlocal; unambiguous discrimination; linearly independent nonorthogonal states; positive operator valued measurement (POVM); remote rotation; QUANTUM STATES; DIFFERENTIATE;

D O I：

10.1007/s11433-011-4577-5

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We give a strategy for nonlocal unambiguous discrimination (UD) among N linearly independent nonorthogonal qudit states lying in a higher-dimensional Hilbert space. The procedure we use is a nonlocal positive operator valued measurement (POVM) in a direct sum space. This scheme is designed for obtaining the conclusive nonlocal measurement results with a finite probability of success. We construct a quantum network for realizing the nonlocal UD with a set of two-level remote rotations, and thus provide a feasible physical means to realize the nonlocal UD.

引用

页码：55 / 59

页数：5

共 11 条

[1] Nonlocal unambiguous discrimination among N nonorthogonal qudit states lying in a higher-dimensional Hilbert space
LiBing Chen
Hong Lu
Science China Physics, Mechanics and Astronomy, 2012, 55 : 55 - 59
[2] Nonlocal unambiguous discrimination among N nonorthogonal qudit states lying in a higher-dimensional Hilbert space
CHEN LiBing & LU Hong Department of Photoelectron and Physics
Science China(Physics,Mechanics & Astronomy), 2012, Mechanics & Astronomy)2012 (01) : 55 - 59
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[10] The Multimode Entangled State with Three States Superposition on the (N+1)-dimensional Hilbert Space and Their N-th Power Difference Squeezing Properties
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