Effects of photon addition on the quantum nonlocality of squeezed entangled coherent states

被引：8
|
作者：
Zhou Ben-Yuan [1 ]
Deng Lei [1 ]
Duan Yong-Fa [1 ]
Yu Li [1 ]
Li Gao-Xiang [2 ]
机构：
[1] AF Early Warning Acad, Basic Course Dept, Phys Teaching Sect, Wuhan 430019, Peoples R China
[2] Cent China Normal Univ, Dept Phys, Wuhan 430079, Peoples R China
来源：
CHINESE PHYSICS B | 2012年 / 21卷 / 09期
基金：
中国国家自然科学基金;
关键词：
quantum nonlocality; photon addition; squeezed entangled coherent states; PODOLSKY-ROSEN STATE; INEQUALITIES; VIOLATION; THEOREM;
D O I：
10.1088/1674-1056/21/9/090302
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Effects of photon addition on the quantum nonlocality of squeezed entangled coherent states for Bell-inequality tests are studied theoretically. By utilizing the method of photon-parity measurement, it is found that photon addition can always increase the degrees of Bell violations within a certain parameter range. A possible scheme for generating photon-added squeezed entangled coherent states is proposed.
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收藏
页数：7
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