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应用Ｐｅｇｇ－Ｂａｒｎｅｔ（ＰＢ）位相理论，研究了ｋ光子Ｊａｙｎｅｓ－Ｃｕｍｍｉｎｇｓ（Ｊ－Ｃ）模型中自发辐射场的位相演化特性，计算了辐射场的位相几率分布函数与位相涨落，给出了在极坐标中位相几率分布演化曲线。
The phase evolution of spontaneous radiation field in the k-photon Jaynes-Cummings (J-C) model is studied by using Pegg-Barnet (PB) phase theory. The distribution of phase probability and the phase fluctuation of the radiation field are calculated. Polar coordinate phase probability distribution evolution curve.