The squeezing of angular momentum and its evolutions in atomic Schrdinger cat states
Chuan-hua Dong, 上海大学物理系,上海 200436
The atomic coherent states will evolve to the atomic Schrdinger cat states at some special times in a low-Q acvity. The fluctuations and higher-order fluctuations of angular momentum in these atomic Schrdinger cat states are discussed. According to the uncertainty principle, the squeezing and higher-order squeezing for atomic angular momentum are investigated. It shows that the atomic Schrdinger cat states can be squeezed to second-and sixth-order, but cannot be squeezed to fourth-order. The properties of squeezing of atomic Schrdinger cat states formed by superposing infinite terms of atomic coherent states are identical with those of atomic coherent states.
Acta Physica Sinica•Jan 1, 2003•0 citations