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	Effect of even and odd numbers of atoms in a condensate inside a double-well potential
	Lu, R. ; Zhang, M. ; Zhu, J.L. ; You, L.
	2010-10-12 ; 2010-10-12
关键词	Theoretical or Mathematical/ Berry phase Bose-Einstein condensation topology/ even numbers odd numbers atomic condensate double well potential macroscopic quantum phenomena topological Berry phase macroscopic quantum coherence/ A0375F Bose-Einstein condensation A0365B Foundations, theory of quantum measurement, miscellaneous quantum theories
中文摘要	We study macroscopic quantum phenomena for an atomic condensate in a double-well potential as realized in recent experiments by Albiez et al [Phys. Rev. Lett. 95, 010402 (2005)] and Shin et al [Phys. Rev. Lett 95, 170402 (2005)]. By keeping the leading correction in the usually adopted mapping to an anisotropic spin model, we find that the topological Berry phase, a parity effect due to the even and odd atom numbers of a condensate, can be observed in the tunnel splitting. Our investigation suggests a cleaner, perhaps significantly improved, alternative for observing macroscopic quantum coherence (MQC) in large spin models.
语种	英语
出版者	American Physical Society through AIP ; USA
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/81346]
专题	清华大学
推荐引用方式 GB/T 7714	Lu, R.,Zhang, M.,Zhu, J.L.,et al. Effect of even and odd numbers of atoms in a condensate inside a double-well potential[J],2010, 2010.
APA	Lu, R.,Zhang, M.,Zhu, J.L.,&You, L..(2010).Effect of even and odd numbers of atoms in a condensate inside a double-well potential..
MLA	Lu, R.,et al."Effect of even and odd numbers of atoms in a condensate inside a double-well potential".(2010).

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