Study of dynamical behaviour and fermionization of a bosonic gas in funnel potential

doi:10.1088/1674-1056/17/11/033

Abstract

Abstract This paper presents a funnel external potential model to investigate dynamic properties of ultracold Bose gas. By using variational method, we obtain the ground-state energy and density properties of ultracold Bose atoms. The results show that the ultracold Bose gas confined in a funnel potential experiences the transition from three-dimensional regime to quasi-one-dimensional regime in a small aspect ratio, and undergoes fermionization process as the aspect ratio increases.

Keywords: Bose gas fermionization dynamics

Received: 16 March 2008
Revised: 10 April 2008
Accepted manuscript online:

PACS:	05.30.Jp	(Boson systems)
	03.75.Kk	(Dynamic properties of condensates; collective and hydrodynamic excitations, superfluid flow)
	37.10.De	(Atom cooling methods)

Fund: Project supported by National Natural Science Foundation of China (Grant No 10647144) and Doctoral Special Fund of Yangzhou University of China (Grant No GK0513102), and by Open Fund of State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences (Grant No T152613).

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Xu Guang-Yuan (许广元), Yan Li (严蠡), Wang Yong-Jun (王永俊), Liu Xian-Feng (刘先锋), Han Jiu-Rong (韩玖荣), Wang Yu-Zhu (王育竹) Study of dynamical behaviour and fermionization of a bosonic gas in funnel potential 2008 Chin. Phys. B 17 4158

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Study of dynamical behaviour and fermionization of a bosonic gas in funnel potential

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