s-ordered phase-sum and phase-difference distributions of entangled coherent states

被引：1
|
作者：
Alexandrescu, A [1 ]
Schiller, DH [1 ]
机构：
[1] Univ Siegen, Dept Phys, D-57068 Siegen, Germany
来源：
JOURNAL OF OPTICS B-QUANTUM AND SEMICLASSICAL OPTICS | 2004年 / 6卷 / 07期
关键词：
coherent states; quasi-Bell states; s-ordered characteristic function; s-ordered quasiprobability distribution; nonbijective transformation; phase distribution;
D O I：
10.1088/1464-4266/6/7/014
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The s-ordered phase-sum and phase-difference distributions are considered for Bell-like superpositions of two-mode coherent states. The distributions are sensitive, respectively, to the sum and difference of the phases of the entangled coherent states. They show loss of information about the entangled state and may take on negative values for some orderings s.
引用
收藏
页码：360 / 364
页数：5
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