Triplet p-wave superconductivity in the low-density extended hubbard model with Coulomb repulsion

被引：0

作者：

M. Yu. Kagan

D. V. Efremov

M. S. Marienko

V. V. Val’kov

机构：

[1] Russian Academy of Sciences,Kapitza Institute for Physical Problems

[2] Max-Planck-Institut für Festkörperforschung,Department of Physics and Astronomy

[3] Hofstra University,Kirensky Institute of Physics

[4] Russian Academy of Sciences,undefined

来源：

JETP Letters | 2011年 / 93卷

关键词：

JETP Letter; Hubbard Model; Coulomb Repulsion; Wave Channel; Wave Pairing;

D O I：

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中图分类号：

学科分类号：

摘要：

We analyze superconducting instabilities in 3D and 2D extended Hubbard model with Coulomb repulsion between electrons on neighboring sites in the limit of low electron density (nel → 0) on simple cubic (square) lattice. We show that in a realistic strong-coupling case U ≫ V ≫ W (U and V are the onsite and the intersite Coulomb repulsions, respectively, and W the bandwidth) the main SC instability corresponds to the p-wave pairing and in the leading order is correctly described by the equations obtained earlier in the absence of the intersite Coulomb interaction V = 0.

引用

页码：725 / 730

页数：5

共 52 条

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