作者机构：
[Peng Z.H.] Department of Physics, Hubei College of Education, Wuhan, 430060, China;[Jinsheng P.E.] Department of Physics, Huazhong Normal University, Wuhan, 430070, China
通讯机构：
[CHEN, LH] C;CENT CHINA NORMAL UNIV,DEPT PHYS,WUHAN 430070,PEOPLES R CHINA.
关键词：
联合概率分布;噪声;方程
摘要：
We obtain the equation for the steady state joint probability distribution of the system driven by external and internal noises simultaneously, where external noise is the dichotomous noise and internal noise is the Gaussian white noise. As to the application of our equation, we discuss two examples for which the correlation functions and associated relaxation times are calculated. We find the coupling effect of the external and the internal noises for the relaxation time.
通讯机构：
[Zhou, Peng] H;Hubei Coll of Education, Wuhan, China
关键词：
原子相干性;k光子;Jaynes-Cummings模型;崩溃和再生
摘要：
The influence of atomic coherence on collapse and revival phenomenon in the k-photon Jaynes-Cummings model was investigated. The system considered in this study is a two-level atom interacting with a single-mode quantized field via the k-photon transition mechanism. The mathematical expression for the atomic inversion was derived. The equation is suitable for the general case. It is shown that the atomic inversion depends on not only the statistics of the field, but also the phases of the field and atom. The numerical calculation results were obtained and discussed. It is concluded that the collapse and revival behavior of the atomic inversion does not drastically depend on the initial coherence of the atom, but this coherence evidently influences the amplitude of the oscillations.
通讯机构：
[ZHU, YX] H;HUAZHONG NORMAL UNIV,DEPT PHYS,WUHAN 430070,PEOPLES R CHINA.
关键词：
单概率分布;联合概率分布;泊松噪声;方程
摘要：
We derive equations for the single and joint probability distribution of systems driven by colored Poisson noise using the ordered cumulant technique. We also derive the equation for the correlation function. We discuss an example for which the correlation function and the associated relaxation time are calculated.
