光场-原子BEC相互作用系统的压缩特性  

Squeezing Properties of Light Field Interacting with Bose-Einstein Condensate of Atoms

作　　者：李明[1] 陈鼎汉[1] 

机构地区：[1]桂林理工大学理学院,广西桂林541004

出　　处：《电子科技大学学报》2011年第4期541-543,共3页Journal of University of Electronic Science and Technology of China

基　　金：教育部科学技术研究重点项目(209094);广西自然科学基金(2010GXNSFB013050)

摘　　要：利用格子液体方法对二能级原子的玻色-爱因斯坦凝聚体与双模光场相互作用系统的哈密顿量进行了改进,并研究了二能级原子的玻色-爱因斯坦凝聚体与双模压缩光场相互作用系统中的压缩性质。结果表明,光场两正交分量交替呈现周期性压缩现象,其压缩深度与光场初始压缩因子密切相关,而压缩时间与光场的频率有关。The Hamiltonian operator of two-mode light field interacting with Bose-Einstein condensate（BEC） of two-level atoms is improved in terms of the lattice-liquid model,and the squeezing properties of two-mode squeezed field interacting with Bose-Einstein condensate of two-level atoms are studied.The results show that two quadrature components of light can be squeezed periodically,the maximum depth of squeezing is closely correlated to the initial squeezing parameter of light,and the duration is determined by the frequency of the light field.

关 键 词：玻色-爱因斯坦凝聚体 光场正交压缩 二能级原子 双模压缩态光场 

分 类 号：O431[机械工程—光学工程]