PHONON-INDUCED D-WAVE PAIRING IN THE 2-DIMENSIONAL HUBBARD-MODEL

被引：17
|
作者：
MIERZEJEWSKI, M
ZIELINSKI, J
机构：
[1] Institute of Physics, University of Silesia
来源：
PHYSICAL REVIEW B | 1995年 / 52卷 / 05期
关键词：
D O I：
10.1103/PhysRevB.52.3079
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We discuss phonon-induced anisotropic superconductivity of strongly correlated quasiparticles within the two-dimensional Hubbard model. The generalized Frolich-like canonical transformation leads to pairing interactions that become repulsive for vanishing concentration of holes but are attractive at low dopings. Our results indicate that the electron-phonon coupling in the presence of strong electron-electron correlations favors the formation of d-wave superconductivity.
引用
收藏
页码：3079 / 3082
页数：4
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