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DISPLACED EXCITED SQUEEZED VACUUM STATES AND THEIR PROPERTITIES
Author(s): 
Pages: 74-79
Year: Issue:  1
Journal: ACTA PHYSICA SINICA

Abstract: 引入平移激发压缩真空态D(z)a+mS(r)|0〉,并讨论它的一些基本性质.利用正规乘积内的积分技术,证明了其完备性.平移激发以后,与压缩真空态相比较,光子数分布的振荡性质更加显著.与压缩真空态的光子总是聚束的性质不同,在平移参量|z|和激发数m都较小时,平移激发压缩真空态的光子统计关联可以呈现反聚束效应.计算了它的准概率分布函数(Q函数和Wigner函数),并讨论了它们对各参量的依赖关系,从Wigner函数可以清楚地看出该量子态的非经典特性.
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