[1] [1] Louisell W H. Quantum Statistical Properties of Radiation [M]. New York: John Wiley, 1973.

[12] [12] Sun C P, Xiao Q. Wei-Norman algebraic method solving the evolution of the coherent states of electron in two dimensions [J]. Commun. Theor. Phys., 1991, 16(3): 359-362.

[13] [13] Wigner E. On the quantum correction for thermodynamic equilibrium [J]. Phys. Rev., 1932, 40: 749-759.

[14] [14] I S G, L M R. Table of Integrals Series and Products [M]. 6th Ed., Elsevier(Singapore) Pte. Ltd, 2004.