Bethe-Ansatz Analysis of the Extended AB Period in the One-Dimensional Hubbard Model

Bethe-Ansatz Analysis of the Extended AB Period in the One-Dimensional Hubbard Model
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一维 Hubbard 模型中扩展 AB 周期的 Bethe-Ansatz 分析

DOI:
10.1143/jpsj.66.2075
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发表时间:
1997
影响因子:
1.7
通讯作者:
K. Kusakabe
K. Kusakabe
中科院分区:
物理与天体物理4区
文献类型:
--
作者:
K. Kusakabe

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本文研究了一维Hubbard模型下正常-超导转变的扩展谱流。在U =±0处谱流线的扭曲,这导致U 0(正常Luttinger液体)的扩展Aharonov-Bohm周期减半或U 0和U <0的复合体。
The extended spectral flow at the normal-superconducting transition is investigated for the one-dimensional Hubbard model. Recombination of spectral flow lines at U =±0, which causes halving of the extended Aharonov-Bohm period for U 0 (normal Luttinger liquid) or complex for U 0 and U <0.