[7] Milburn G J. Intrinsic decoherence in quantum mechanics [J].Phys. Rev. A,1991,44: 5401-5406.

[8] Zidan N A,Abdel-Aty M,Obada A S F. Influence of intrinsic decoherence on entanglement degree in the atom-field coupling system [J].Chaos,Solitons and Practals,2002,13,1421-1428.

[9] Li Shangbin,Xu Jingbo. Magnetic impurity effects on the entanglement of three-qubit Heisenberg XY chain with intrinsic decohenrence [J].Phys. Lett. A,2005,334,109-116.

[12] Greey C C. Correlated two mode SU(1,1)coherent states: nonclassical properties [J].J. Opt. Soc. Am. B,1991,8(3): 685-690.

[13] Peng Jinsheng,Li Gaoxiang. Introduction of Modern Quantum Optics [M].Beijing: Science Press,1996.141-165.