New approach for normalization and photon-number distributions of photon-added (-subtracted) squeezed thermal states

被引：0
|
作者：
胡利云 [1 ,2 ]
张智明 [2 ]
机构：
[1] College of Physics and Communication Electronics,Jiangxi Normal University
[2] Laboratory of Nanophotonic Functional Materials and Devices.SIPSE&LQIT,South China Normal University
来源：
Chinese Optics Letters | 2012年 / 10卷 / 08期
基金：
国家自然科学基金重大研究计划; 中国国家自然科学基金;
关键词：
subtracted; New approach for normalization and photon-number distributions of photon-added; squeezed thermal states;
D O I：
暂无
中图分类号：
O431.2 [量子光学];
学科分类号：
070207 ; 0803 ;
摘要：
Using the thermal field dynamics theory to convert the thermal state into a "pure" state in doubled Fock space, we find that the average value of efa a under squeezed thermal state (STS) is just the generating function of Legendre polynomials. Based on this remarkable result, the normalization and photon-number distributions of m-photon added (or subtracted) STSs are conviently obtained as the Legendre polynomials. This new concise method can be expanded to the entangled case.
引用
收藏
页码：62 / 65
页数：4
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