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原子相干态中角动量的高阶涨落及高阶压缩

董传华

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原子相干态中角动量的高阶涨落及高阶压缩

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HIGHER-ORDER FLUCTUATIONS AND THEIR SQUEEZING OF ANGULAR MOMENTUM IN ATOMIC COHERENT STATES

DONG CHUAN-HUA
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  • 利用SU(2)李代数讨论了原子相干态中角动量的二阶、四阶和六阶涨落,并在高阶不确定关系基础上提出了角动量高阶压缩的定义.研究了原子相干态中角动量涨落的二阶、四阶和六阶压缩情况.运用这里的定义和方法可进一步研究更高阶的压缩情况,从而把高阶压缩推广到原子算符的涨落上.
    The second-,fourth-and sixth-order fluctuations have been discussed by making use of- SU-(2)Lie algebra.On the basis of higher-order uncertainty relation,the definition of higher-order squeezing for the fluctuations of angular momentum has been put forward.In particular,the second-,fourth-and sixth-order squeezing in atomic coherent states are investigated.These methods and definition can be used for studying much higher-order squeezing.The higher-order squeezing can be generalized to the fluctuations of atomic variances thereby.
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出版历程
  • 收稿日期:  2000-04-03
  • 刊出日期:  2001-03-05

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