Dynamical instability of the dark state in the conversion of Bose-Fermi mixtures into stable molecules

In this paper, we investigate the dynamical instability of the dark state in the conversion of Bose-Fermi mixtures into stable molecules through a stimulated Raman adiabatic passage aided by Feshbach resonance. We analytically obtain the regions where the dynamical instability appears and find that...

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Published inChinese physics B Vol. 20; no. 8; pp. 71 - 76
Main Authors Meng, Shao-Ying, Wu, Wei, Chen, Xi-Hao, Zhang, Jing, Fu, Li-Bin
Format Journal Article
LanguageEnglish
Published 01.08.2011
Subjects
Collisions
Conversion
Dynamical systems
Feshbach共振
Instability
Mathematical analysis
Nonlinear dynamics
Nonlinearity
Stability
分子
动力不稳定
混合物
状态转换
玻色子
费米
辅助通道
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Summary:In this paper, we investigate the dynamical instability of the dark state in the conversion of Bose-Fermi mixtures into stable molecules through a stimulated Raman adiabatic passage aided by Feshbach resonance. We analytically obtain the regions where the dynamical instability appears and find that such instability in the Bose-Fermi mixture system is caused not only by bosonic interparticle interactions but also by Pauli blocking terms, which is different from the scenario of a pure bosonic system where instability is induced by nonlinear interparticle collisions. Taking a 40K-87Rb mixture as an example, we give the unstable regions numerically.
Bibliography:Bose-Fermi mixture, dynamical instability, dark state
In this paper, we investigate the dynamical instability of the dark state in the conversion of Bose-Fermi mixtures into stable molecules through a stimulated Raman adiabatic passage aided by Feshbach resonance. We analytically obtain the regions where the dynamical instability appears and find that such instability in the Bose-Fermi mixture system is caused not only by bosonic interparticle interactions but also by Pauli blocking terms, which is different from the scenario of a pure bosonic system where instability is induced by nonlinear interparticle collisions. Taking a 40K-87Rb mixture as an example, we give the unstable regions numerically.
11-5639/O4
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ISSN:1674-1056
2058-3834
DOI:10.1088/1674-1056/20/8/080309