Stability properties of vector solitons in two-component Bose-Einstein condensates with tunable interactions  

作　　者：张晓斐 张培 和万全 刘循序 

机构地区：[1]College of Science,Honghe University [2]Beijing National Laboratory for Condensed Matter Physics,Institute of Physics,Chinese Academy of Sciences

出　　处：《Chinese Physics B》2011年第2期54-59,共6页中国物理B（英文版）

基　　金：supported by the National Natural Science Foundation of China (Grant Nos. 10874235,10934010,and 60978019);the National Key Basic Research Program of China (Grant Nos. 2009CB930701,2010CB922904,and 2011CB921500)

摘　　要：By using a unified theory of the formation of various types of vector-solitons in two-component Bose-Einstein condensates with tunable interactions, we obtain a family of exact vector-soliton solutions for the coupled nonlinear Schrodinger equations. Moreover, the Bogoliubov equation shows that there exists stable dark soliton in specific situa- tions. Our results open up new ways in considerable experimental interest for the quantum control of multi-component Bose Einstein condensates.By using a unified theory of the formation of various types of vector-solitons in two-component Bose-Einstein condensates with tunable interactions, we obtain a family of exact vector-soliton solutions for the coupled nonlinear Schrodinger equations. Moreover, the Bogoliubov equation shows that there exists stable dark soliton in specific situa- tions. Our results open up new ways in considerable experimental interest for the quantum control of multi-component Bose Einstein condensates.

关 键 词：Bose-Einstein condensates vector soliton Bogoliubov equation 

分 类 号：O469[理学—凝聚态物理]