| 一维光晶格中玻色-爱因斯坦凝聚的粒子数分布 |
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| 引用本文： | 赵建刚,周玉欣,闫丽华.一维光晶格中玻色-爱因斯坦凝聚的粒子数分布[J].河北科技师范学院学报,2008,22(3):23-25. |
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| 作者姓名： | 赵建刚 周玉欣 闫丽华 |
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| 作者单位： | 聊城大学物理科学与信息工程学院,山东聊城,252059 |
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| 摘 要： | 对捕陷在三维轴对称谐振势阱叠加一维光晶格的组合势中的玻色凝聚气体，基于平均场Gross-Pitae-vskii方程理论，并运用G-P能量泛函和变分方法，得出了非线性薛定谔方程的一维形式，运用数值计算的方法，研究了组合势中子凝聚体的粒子数分布与光晶格深度之间的关系，同时分析了磁势阱对子凝聚体粒子数分布的影响。
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| 关 键 词： | 玻色-爱因斯坦凝聚 光晶格 能量泛函 谐振势阱 |
Density Distribution of Bose-Einstein Condensates in a One-Dimensional Optical Lattice |
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| ZHAO Jian-gang,ZHOU Yu-xin,YAN Li-hua.Density Distribution of Bose-Einstein Condensates in a One-Dimensional Optical Lattice[J].Journal of Hebei Normal University of Science & Technology,2008,22(3):23-25. |
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| Authors: | ZHAO Jian-gang ZHOU Yu-xin YAN Li-hua |
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| Institution: | ZHAO Jian-gang,ZHOU Yu-xin,YAN Li-hua(School of Physics Science , Information Technology,Liaocheng University,Liaocheng Sh,ong,252059,China) |
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| Abstract: | This paper studied a one-dimensional nonlinear Schrodinger equation and described a Bose-Einstein condensation with G-P function and variation in a three-dimensional axisymmetrical harmonic trap and a one-dimensional optical lattice.The connection of density distribution of Bose-Einstein condensation and the depth of optical lattice was investigated with numerical method.The influence of magnetic trap on density distribution of Bose-Einstein condensates was also analyzed in this paper. |
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| Keywords: | Bose-Einstein condensation optical lattice energy function harmonic trap |
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