CAJ | 학술논문

理论上,压缩态是通过压缩算符作用于某态而得到的。由于算符之间不对易,一般不能直接得到相应压缩态的具体形式。文章提出一种显解压缩态的方法,即采用Weyl-Wigner对应规则导出单模、双模压缩态的具体形式。该方法避免了繁冗的算符排序和分解,也可推广到求解广义的多模情况。
이론상,압축태시통과압축산부작용우모태이득도적。유우산부지간불대역,일반불능직접득도상응압축태적구체형식。문장제출일충현해압축태적방법,즉채용Weyl-Wigner대응규칙도출단모、쌍모압축태적구체형식。해방법피면료번용적산부배서화분해,야가추엄도구해엄의적다모정황。
Squeezed state is theoretically obtained by performing the squeezing operator on an initial state.Due to non-commutable operators each other,it is not easy to directly obtain the explicit expression of squeezed state.Here,a general approach is provided for deriving the squeezed state′s explicit form,namely,by virtue of the Weyl-Wigner correspondence scheme the explicit forms of single-mode and two-mode squeezed state is obtained,respectively.Without disentangling the squeezing operator,this adopted method is applicable to explicitly solve the general multimode case.