Molecule production via Feshbach resonance in bosonic systems

doi:10.1007/s11467-010-0018-6

Frontiers of Physics in China

2010, Vol. 5

Issue (2): 123-130 https://doi.org/10.1007/s11467-010-0018-6

MINI-REVIEW ARTICLE

本期目录

Molecule production via Feshbach resonance in bosonic systems

Jie LIU (刘杰)^1,2(

), Bin LIU (刘斌)¹

1. Institute of Applied Physics and Computational Mathematics, P. O. Box 8009, Beijing 100088, China; 2. Center for Applied Physics and Technology, Peking University, Beijing 100084, China

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Abstract：

In this article, we review our recent theoretical works on producing ultracold molecules from ultracold bosonic atoms via magnetically tunable Feshbach resonances. Our analysis relies on a two-channel quantum microscopic model that accounts for many-body effects in the association process. We show that the picture of two-body molecular production depicted by the Landau–Zener model is signifi-cantly altered due to many-body effects. We derive an analytic expression for molecular conversion efficiency for the nonadiabatic linearly swept Feshbach resonance, that explains the discrepancy between the prediction of the Landau–Zener formula and the experimental data. With including the thermal dephasing effects in the oscillating magnetic field modulation Feshbach resoance, we reproduce the Lorentzian resonance lineshape and explain the maximum conversion efficiency observed in experiment.

Key words： Feshbach resonance molecule production bosonic system

收稿日期: 2010-02-09 出版日期: 2010-06-05

Corresponding Author(s): null,Email:liu jie@iapcm.ac.cn

引用本文:

. Molecule production via Feshbach resonance in bosonic systems[J]. Frontiers of Physics in China, 2010, 5(2): 123-130.
Jie LIU (刘杰), Bin LIU (刘斌). Molecule production via Feshbach resonance in bosonic systems. Front Phys Chin, 2010, 5(2): 123-130.

链接本文:

https://academic.hep.com.cn/fop/CN/10.1007/s11467-010-0018-6
https://academic.hep.com.cn/fop/CN/Y2010/V5/I2/123

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