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Dynamics of an atomic Bose-Einstein condensation interacting with a laser field in a double-well potential
Wang, HJ; Yi, XX; Be, XW; Wang, HJ , Hebei Univ, Dept Chem, Baoding 071002, Peoples R China.
2000
发表期刊PHYSICAL REVIEW A
ISSN1050-2947
卷号62期号:2页码:-
摘要For the case of an atomic Bose-Einstein condensate formed in a symmetrical double-well potential with well-separated minima, the dynamics of Bose-condensed atoms interacting with a single-mode quantized traveling-wave laser field are investigated in detail. By considering the system consisting of the Bose-condensed atoms and laser field with and without dissipation the eigenstates and eigenvalues of the corresponding Hamiltonian for both cases are obtained. The time development of the Bose-condensed state plays a major role in the discussion. It is shown that the probability of finding all atoms in the Bose-condensed state displays an undamped oscillatory behavior in the absence of dissipation and a damped oscillatory behavior in the presence of dissipation. Moreover, it is found that the tunneling effect can increase the oscillatory frequency among the dressed bosonic states and affect the dynamics of the system. As an application of these results, a characteristic time that may be used to evaluate the number of condensed atoms is introduced.
部门归属Hebei Univ, Dept Chem, Baoding 071002, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; NE Normal Univ, Inst Theoret Phys, Changchun 130024, Peoples R China
关键词Relative Phase Scattering Length Light Gas Interference Oscillations Temperature Spectrum Photons Pulses
学科领域Physics
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收录类别SCI
WOS记录号WOS:000088683400083
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被引频次:18[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/12928
专题理论物理所1978-2010年知识产出
通讯作者Wang, HJ , Hebei Univ, Dept Chem, Baoding 071002, Peoples R China.
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Wang, HJ,Yi, XX,Be, XW,et al. Dynamics of an atomic Bose-Einstein condensation interacting with a laser field in a double-well potential[J]. PHYSICAL REVIEW A,2000,62(2):-.
APA Wang, HJ,Yi, XX,Be, XW,&Wang, HJ , Hebei Univ, Dept Chem, Baoding 071002, Peoples R China..(2000).Dynamics of an atomic Bose-Einstein condensation interacting with a laser field in a double-well potential.PHYSICAL REVIEW A,62(2),-.
MLA Wang, HJ,et al."Dynamics of an atomic Bose-Einstein condensation interacting with a laser field in a double-well potential".PHYSICAL REVIEW A 62.2(2000):-.
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