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Quantum many-body theory of coherent output of Bose-Einstein condensation (I) Factorization and atom coherence
Sun, CP; Miao, YX; Zhan, H; Li, JM; Sun, CP , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China.
1999
发表期刊PROGRESS IN NATURAL SCIENCE
ISSN1002-0071
卷号9期号:6页码:416-424
摘要Based on the Bogoliubov approximation in the thermodynamical limit, a linear quantum many-body theory is presented to deal with the output of the bosonic atoms to a free propagating mode from a magnetic trap. It is shown that, when atoms are prepared initially in the Bose-Einstein condensation inside a trap, the output will be described by a macroscopic quantum state, a many-body coherent state. This is due to the factorization structure of the total wave function, showing that the output atom beam is coherent. The general expressions for the spectral density of the output and its spatial distribution are given in terms of our linear quantum many-body theory.
部门归属Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; NE Normal Univ, Inst Theoret Phys, Changchun 130024, Peoples R China; Peking Univ, Dept Phys, Beijing 100871, Peoples R China
关键词Dissipative System Wave-function
学科领域Physics
收录类别SCI
WOS记录号WOS:000080569000003
引用统计
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/13145
专题理论物理所SCI论文
通讯作者Sun, CP , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China.
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GB/T 7714
Sun, CP,Miao, YX,Zhan, H,et al. Quantum many-body theory of coherent output of Bose-Einstein condensation (I) Factorization and atom coherence[J]. PROGRESS IN NATURAL SCIENCE,1999,9(6):416-424.
APA Sun, CP,Miao, YX,Zhan, H,Li, JM,&Sun, CP , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China..(1999).Quantum many-body theory of coherent output of Bose-Einstein condensation (I) Factorization and atom coherence.PROGRESS IN NATURAL SCIENCE,9(6),416-424.
MLA Sun, CP,et al."Quantum many-body theory of coherent output of Bose-Einstein condensation (I) Factorization and atom coherence".PROGRESS IN NATURAL SCIENCE 9.6(1999):416-424.
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