计算物理 ›› 2010, Vol. 27 ›› Issue (2): 304-308.

• 论文 • 上一篇    下一篇

玻色-爱因斯坦凝聚体间相互作用的动力学性质研究

孙文静, 李彬, 花巍, 刘学深   

  1. 吉林大学原子与分子物理研究所, 吉林 长春 130012
  • 收稿日期:2008-11-26 修回日期:2009-05-21 出版日期:2010-03-25 发布日期:2010-03-25
  • 作者简介:孙文静(1982-),女,山东,硕士生,主要从事玻色-爱因斯坦凝聚理论研究.
  • 基金资助:
    国家自然科学基金(10574057,10974068)资助项目

Dynamical Study on Interaction of Bose-Einstein Condensates

SUN Wenjing, LI Bin, HUA Wei, LIU Xueshen   

  1. Institute of Atomic and Molecular Physics, Jilin University, Changchun 130012
  • Received:2008-11-26 Revised:2009-05-21 Online:2010-03-25 Published:2010-03-25

摘要: 采用辛算法数值求解一维含时Gross-Pitaevskii方程.数值模拟玻色爱因斯坦凝聚体的"Breathing"特征,研究撤掉简谐势阱时两个凝聚体相互作用产生的干涉现象及两个凝聚体相位差发生变化时凝聚体的动力学性质.

关键词: Gross-Pitaevskii方程, ODA方法, 辛算法, 相位差

Abstract: Symplectic method is applied to solve numerically 1D time-dependent Gross-Pitaevskii equation. "Breathing" of the condensate is numerically illustrated. Interaction of two Bose-Einstein condensates is investigated as external potential is zero at t=0. Interference between two condensates is observed. Evolution of density due to interference at various relative phases is studied.

Key words: Gross-Pitaevskii equation, ODA method, symplectic method, phase difference

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