| Evolution and Collision of Bose—Condensed Gas in One—Dimensional Optical Lattices and a Far—Off Resonant Laser Beam |
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| 作者姓名： | 刘淑娟 徐志君 随成华 黄琳 熊宏伟 |
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| 作者单位： | DepartmentofAppliedPhysics,ZhejiangUniversityofTechnology,Hangzhou310032 |
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| 摘 要： | Evolution of a Bose-condensed gas in one-dimensional optical lattices is investigated in the presence of a potentialbarrier created by a far-off resonant laser beam. After the magnetic trap and optical lattices are switched off,by using the propagator method, the analytical result of the evolution of the density distribution of the Bose-condensed gas is given. In particular, the collision between the condensate and the potential barrier is shown inthis paper.
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| 关 键 词： | BEC 玻色－爱因斯坦凝聚 玻色冷凝气体 激光束 一维光子晶体 磁阱 |
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