A Position-Dependent Two-Atom Entanglement in Real-Time Cavity QED System  

作　　者：GUO Yan-Qing CAO Hai-Jing SONG He-Shan 

机构地区：[1]Department of Physics, Dalian Maritime University, Dalian 116026, China [2]Department of Physics, Dalian University of Technology, Dalian 116023, China

出　　处：《Communications in Theoretical Physics》2007年第1期59-62,共4页理论物理通讯（英文版）

基　　金：The project supported by National Natural Science Foundation of China under Grant Nos. 10347103, 10305002, and 60472017

摘　　要：We study a special two-atom entanglement case in assumed cavity QED experiment in which only one atom effectively exchanges a single photon with a cavity mode. We compute two-atom entanglement under position-dependent atomic resonant dipole-dipole interaction （RDDI） for large interatomic separation limit. We show that the RDDI, even t, hat which is much smaller than the maximal atomic Rabi frequency, can induce distinct diatom entanglement. The peak entanglement reaches a maximum when RDDI strength can compare with the Rabi frequency of an atom.

关 键 词：two-atom entanglement cavity QED RDDI 

分 类 号：O562[理学—原子与分子物理]