A convenient representation for the two-mode phase operator root((a)over-cap+(b)over-cap dagger)/((a)over-cap dagger+(b)over-cap)

被引：37
|
作者：
Fan, HY
Xiao, M
机构：
[1] UNIV SCI & TECHNOL CHINA,DEPT MAT SCI & ENGN,HEFEI 230026,ANHUI,PEOPLES R CHINA
[2] UNIV ARKANSAS,DEPT PHYS,FAYETTEVILLE,AR 72701
来源：
PHYSICS LETTERS A | 1996年 / 222卷 / 05期
关键词：
D O I：
10.1016/0375-9601(96)00673-1
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We find a representation in which the two-mode phase operator root((a) over cap + <(b)over cap (dagger)>)/(<(a)over cap (dagger)> + (b) over cap) manifestly exhibits its phase behavior. With this representation, the phase operator is more applicable to further illustrating the Shapiro-Wagner phase measurement approach. The technique of integration within an ordered product of operators is essential in our discussion.
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页码：299 / 303
页数：5
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