Enhanced Quantum Reflection of Ultracold Atoms with Strong Interatomic Interaction

Chin. Phys. Lett.

2008, Vol. 25

Issue (9): 3154-3157 DOI:

Original Articles

Enhanced Quantum Reflection of Ultracold Atoms with Strong Interatomic Interaction

LIU Min, ZHAN Ming-Sheng

¹State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071²Center for Cold Atom Physics, Chinese Academy of Sciences, Wuhan 430071

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LIU Min, ZHAN Ming-Sheng 2008 Chin. Phys. Lett. 25 3154-3157

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Abstract

We calculate the reflection probability for ultracold alkali atoms incident on a solid surface. By considering the interatomic interaction and using the WKB method, it is shown that the repulsive interaction between atoms has the effect of increasing the reflection probability. The increasing amplitude is related with the interatomic interaction and the depth of atom-surface potential. In addition, we also perform a numerical calculation to testify the effect of the interatomic interaction, and the analytic result is proven by the numerical result.

Keywords: 03.75.Be 34.50.Dy 03.65.-w

Received: 28 November 2007 Published: 29 August 2008

PACS:	03.75.Be	(Atom and neutron optics)
	34.50.Dy
	03.65.-w	(Quantum mechanics)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2008/V25/I9/03154

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	ZHAN Ming-Sheng

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