反Tavis-Cummings模型下二项式光场的压缩效应

Squeezing Property of Binomial State Field under the Anti-Tavis-Cummings Model

利用反Tavis-Cummings模型研究了初始处于纠缠态的两个全同二能级原子与单模二项式光场的相互作用.在强经典驱动和大失谐的情况下,原子与光场的相互作用可以转化为有效的Tavis-Cummings模型和反Tavis-Cummings模型.主要在反Tavis-Cummings模型下研究了二项式光场的压缩效应,讨论了光场的初始参量对光场压缩效应的影响.结果表明,光场的压缩程度以及压缩周期都强烈地依赖于光场初始参数的选取;能量不守恒项对光场压缩特性的影响很大.

The interaction between two identical two-level atoms and single-mode binomial light field is studied in anti-Tavis-Cummings model, and the atoms stay in entangled state initially. When the classical field is strong enough, the interaction between the atoms and the light field can turn into an effective anti-Tavis-Cummings model and Tavis-Cummings model under the condition of large detuning. In this paper, we mainly probe into the squeezing property of the binomial state in anti-Tavis-Cummings model, and the influence of initial field parameters on the squeezing property of the field are discussed. The results show that the degree and period of squeezing depend strongly on the initial parameters, and energy nonconservation item has a great impact on squeezing property.