[1] Monroe C, Meekhof D M, King B E. A Schrdinger cat superposition state of an atom. Science, 1996, 272(5263):1131~1136
[2] Brune M, Haroche S, Raimaid J M et al.. Manipulation of photos in a cavity by dispersive atom-field coupling: quantum-nondemolition measurements and generation of Schrdinger cat states. Phys. Rev. (A), 1992, 45(7):5193~5214
[3] Janszky J, domokos D, Adam P. Coherent states on a circle and quantum interference. Phys. Rev. (A), 1993, 48(3):2213~2219
[4] Guo G C, Zheng S B. Generation of cat states via the Jaynes-Cummings model with large detuning. Phys. Lett. (A), 1996, 223(5):332~336
[5] Hach Ⅲ E E, Gerry C C. Four-photon coherent states properties and generation. J. Mod. Opt., 1992, 39(12):2501~2517
[6] Gerry C C. Generation of four-photon coherent states in dispersive cavity QED. Phys. Rev. (A), 1996, 53(6):3818~3821
[7] Xu L, Luo Z F, Zhang Z M. Validity of the effective Hamiltonian for the degenerate Raman process. J. Phys. (B), 1994, 27(8):1649~1656