运用全量子化理论扣数值处理方法,研究了右逆相干态与单原子相互作用的量子态保真度的时间演化特性,讨论了不同的参量对体系的量子态保真度的影响。结果表明:系统、光场和原子三者的保真度始终处在失真状态,而且演化过程无规则。
In this paper, the time evolution properties of the fidelity of quantum state in the system of right inverse co- herent light field interacting with single atom are studied by means of full quantum theory. The influences of the optical field strength, the probability amplitude angle of the atom and the number of the right inverse operator acting on the co- herent states on the fidelity of quantum state are discussed by numerical calculations. The results show that the fideli- ties of system, optical field and atom are always in a state of distortion, and the evolution has no rule.