| Nonadiabatic effects on population transfer of two Bose－Einstein condensates induced by atomic interaction |
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| 引用本文： | 胡正峰,杜春光,李师群.Nonadiabatic effects on population transfer of two Bose－Einstein condensates induced by atomic interaction[J].中国物理 B,2003,12(7):708-713. |
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| 作者姓名： | 胡正峰 杜春光 李师群 |
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| 作者单位： | Key Laboratory for Quantum Information and Measurements of Education Ministry, Department of Physics, Tsinghua University, Beijing 100084, China; Department of Physics, Nanjing Normal University, Nanjing 210097, China;Key Laboratory for Quantum Information and Measurements of Education Ministry, Department of Physics, Tsinghua University, Beijing 100084, China;Key Laboratory for Quantum Information and Measurements of Education Ministry, Department of Physics, Tsinghua University, Beijing 100084, China; Center for Atomic and Molecular Nanosciences, Tsinghua University, Beijing 100084, China |
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| 基金项目： | Project supported by the National Natural Science Foundation of China (Grant No 19975027) and the State Key Development Program for Basic Research of China (Grant No 001CB309308). |
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| 摘 要： | We investigate the stimulated Raman adiabatic passage for Bose－Einstein condensate (BEC) states which are trapped in different potential wells or two ground states of BEC in the same trap. We consider that lasers are nearly resonant with the atomic transitions. The difference of population transfer processes between BEC atoms and usual atoms is that the atomic interaction of the BEC atoms can cause some nonadiabatic effects, which may degrade the process. But with suitable detunings of laser pulses, the effects can be remedied to some extent according to different atomic interactions.
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| 关 键 词： | BEC 玻色－爱因斯坦凝聚 非绝热效应 原子相互作用 量子凝聚现象 |
| 收稿时间： | 2002-05-24 |
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