摘要
The squeezing operator S^(n) and the corresponding squeezed state|0>s for n-mode quadrature operators are founded.The normally ordered form of S^(n) is derived by means of the technique of integration within an ordered product of operators.Moreover,the existence of higher-order squeezing for n-mode quadratures in the state|0>s is demonstrated.
作者
FAN Hong-yi
LIU Nai-le
范洪义;刘乃乐(Department of Applied Physicsf Shanghai Jiaotong University,Shanghai 200030;Department of Material Science and Engineering,China University of Science and Technology,Hefei,230026)
基金
Supported by the National Natural Science Foundation of Ghina under Grant No.19875046.
