Preparation of genuine Yeo-Chua entangled state and teleportation of two-atom state via cavity QED

查看全文 作　　者：ZHANG Wen 1 , LIU YiMin 2 , ZUO XueQin 1 & ZHANG ZhanJun 1* 1 School of Physics & Material Science, Anhui University, Hefei 230039, China;2 Department of Physics, Shaoguan University, Shaoguan 512005, China

出　　处：《Science China(Physics,Mechanics & Astronomy)》索引2010年第53卷第12期,共6页

基　　金：supported by the program for New Century Excellent Talents at the University of China (Grant No. NCET-06-0554);the National Natural Science Foundation of China (Grant Nos. 10975001,60677001, 10747146 and 10874122);the Science and Technology Fund of Anhui Province for Outstanding Youth (Grant No. 06042087);the Talent Foundation of Higher Education of Anhui Province for Outstanding Youth(Grant No. 2009SQRZ018);the Science Research Foundation of Anhui University for Youth (Grant No. 2009QN017B);the Natural Science Foundation of Guangdong Province (Grant Nos. 06300345 and 7007806) 摘　　要：We first propose a scheme for preparing the genuine Yeo-Chua 4-qubit entangled state via cavity QED. Using the genuine Yeo-Chua atomic state, we further propose a cavity QED scheme for teleporting an arbitrary two-atom state. In two schemes the large-detuning is chosen and the necessary time is designed to be much shorter than Rydberg-atom’s lifespan. Both schemes share the distinct advantage that cavity decay and atom decay can be neglected. As for the interaction manipulation, our preparation scheme is more feasible than a recent similar one. Compared with the Yeo and Chua’s scheme, our teleportation scheme has significantly reduced the measuring difficulty. 关键词：cavity QED PREPARATION GENUINE Yeo-Chua atomic STATE teleportation arbitrary TWO-ATOM STATE

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Preparation of genuine Yeo-Chua entangled state and teleportation of two-atom state via cavity QED

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