行波场的条件位移算符
量子物理
2009-11-13 v1
摘要
我们表明,作用于任意行波态的条件位移算符 U^CD=exp[b^†b^(βa^†−β∗a^)] 可以很好地近似为置于两个分束器之间的 Kerr 介质的作用,其中这两个分束器各自的第二端口由高度激发的相干态馈入。文中还探讨了其在非经典态产生及任意态 Wigner 函数测量方面的应用。
引用
@article{arxiv.0707.0770,
title = {Conditional displacement operator for traveling fields},
author = {Simone Souza and A. T. Avelar and J. M. C. Malbouisson and B. Baseia},
journal= {arXiv preprint arXiv:0707.0770},
year = {2009}
}
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