物理学报2012,Vol.61Issue(23):122-127,6.
二元凝聚体中亮-亮孤子的振荡-局域转变行为
Oscillation-localization transition behavior of bright-bright solitons in two species Bose-Einstein condensates
摘要
Abstract
Considering the time-dependent interspecies interactions, we study the dynamic behaviors of bright-bright solitons in two species Bose-Einstein condensates in the harmonic external potentials. In the presence of unchanged attractive interspecies and intraspecies interactions, bright-bright solitons exhibit periodic oscillations. When the attractive intraspecies interactions are fixed but the attractive interspecies interactions are increased exponentially, interestingly, a transition behavior from oscillation to localization is observed. Meanwhile, this transition behavior can be controlled by tuning the transverse trapping frequency of harmonic potential. Furthermore, an experimental protocol is designed to observe the transition behavior in the current experimental conditions.关键词
二元玻色/爱因斯坦凝聚/亮-亮孤子/原子间相互作用Key words
two species Bose-Einstein condensates/bright-bright solitons/atomic interactions分类
数理科学引用本文复制引用
何章明,王登龙,丁建文,颜晓红..二元凝聚体中亮-亮孤子的振荡-局域转变行为[J].物理学报,2012,61(23):122-127,6.基金项目
国家自然科学基金(批准号:51032002,11074212)和国家高技术研究发展计划(批准号:2011AA050526)资助的课题. ()