%0 Journal Article
%T Single-particle coherence and pairwise entanglement in a two-component Bose-Einstein condensate impacted by the periodic impulses<br>周期脉冲撞击的两分量Bose-Einstein凝聚系统的单粒子相干和对纠缠
%A Yan Dong
%A Song Li-Jun
%A <br>严冬
%A 宋立军
%J 物理学报
%D 2010
%I 
%X The influence of the quantum chaos on the single-particle coherence and the pairwise entanglement is investigated in a two-component Bose-Einstein condensate impacted by periodic impulses. The results reveal that the single-particle coherence decays strongly when driven by chaos and keeps a lower degree of coherence. Simultaneously, there apears the maximal pairwise entanglement and it disappears after a short time. By using the properties of the single-particle coherence, we can measure directly the structure of the phase space in which the chaos exists, and this contributes to prevent the collapse of a Bose-Einstein condensate and control the chaotic behavior.
%K Bose-Einstein condensate
%K single particle coherence
%K pairwise entanglement
%K chaos<br>Bose-Einstein凝聚
%K 单粒子相干
%K 对纠缠
%K 混沌
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=47EA7CFDDEBB28E0&jid=29DF2CB55EF687E7EFA80DFD4B978260&aid=E8B17DB3244B9C47C82A41F00309CFEC&yid=140ECF96957D60B2&vid=6AC2A205FBB0EF23&iid=F3090AE9B60B7ED1&sid=B98B6F9C2D595569&eid=BF1DE33B2B589613&journal_id=1000-3290&journal_name=物理学报&referenced_num=0&reference_num=26