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Chin. Phys. B, 2010, Vol. 19(9): 093402    DOI: 10.1088/1674-1056/19/9/093402
ATOMIC AND MOLECULAR PHYSICS Prev   Next  

Quantum reflection as the reflection of subwaves

Yuan Wen(袁文)a)b), Yin Cheng(殷澄)a), Wang Xian-Ping(王贤平)b), and Cao Zhuang-Qi(曹庄琪)a)
a Department of Physics, the State Key Laboratory on Fiber Optic Local Area Communication Networks and Advanced Optical Communication Systems, Shanghai Jiao Tong University, Shanghai 200240, China; b Institute of Physics and Communication and Electronics, Jiangxi Normal University, Nanchang 330022, China
Abstract  This paper studies quantum reflection with recent research on reflection coefficient. Based on the analytical transfer matrix method, a novel explanation for this phenomenon is proposed that quantum reflection is the reflection of subwaves, which originate inherently from the inhomogeneity of the fields and is always neglected in the semiclassical regime. Comparison with exact formula and the numerical calculations for different potentials has confirmed the reliability and the validity of the proposed theory.
Keywords:  quantum reflection      cold atom      analytical transfer matrix method  
Received:  03 December 2009      Revised:  09 February 2010      Accepted manuscript online: 
PACS:  3450D  
  0365N  
Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 10874121 and 60677029).

Cite this article: 

Yuan Wen(袁文), Yin Cheng(殷澄), Wang Xian-Ping(王贤平), and Cao Zhuang-Qi(曹庄琪) Quantum reflection as the reflection of subwaves 2010 Chin. Phys. B 19 093402

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