Exact results for BCS systems

Exact results for BCS systems
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DOI:
10.22323/1.008.0016
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发表时间:
2002-12
期刊:
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影响因子:
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通讯作者:
X. Guan;A. Foerster;J. Links;Huan-Qiang Zhou
X. Guan;A. Foerster;J. Links;Huan-Qiang Zhou
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其他
文献类型:
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作者:
X. Guan;A. Foerster;J. Links;Huan-Qiang Zhou

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在本文中,我们讨论了在量子逆散射方法框架下构建可积BCS模型。具体来说,提出了基于su(2)代数的简化BCS模型、基于su(4)代数的两个耦合BCS系统的模型以及与u(2|2)对称性相关的扩展配对模型。
In this paper, we discuss the construction of integrable BCS models in the framework of the quantum inverse scattering method. Specifically, the reduced BCS model, which is based on the su(2) algebra, a model of two coupled BCS systems, based on the su(4) algebra and an extended pairing model associated to the u(2|2) symmetry are presented.