Anisotropic superconductivity in the two-dimensional Hubbard model close to the metal-insulator transition

被引：0
|
作者：
Cebula, A [1 ]
Zielinski, J [1 ]
机构：
[1] Silesian Univ, Inst Phys, PL-40007 Katowice, Poland
来源：
HIGH TEMPERATURE SUPERCONDUCTIVITY, PROCEEDINGS | 2001年 / 34卷 / 01期
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D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We have addressed the problem of anisotropic superconductivity within the two-dimensional Hubbard model extended by phonon-mediated pairing Correlations. The Hubbard I approximation has been used to account for the formation of the insulating gap and to see the role of Coulomb correlations for superconducting pairing. It has been shown that phonon-free and phonon-induced mechanism can cooperate in the stabilization of superconductivity in the d-wave channel.
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页码：44 / 50
页数：7
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