Resonating valence-bond theory of superconductivity for dopant carriers: Application to the cobaltates

被引：7
|
作者：
Ferraz, A
Kochetov, E
Mierzejewski, M
机构：
[1] Univ Brasilia, Int Ctr Condensed Matter Phys, BR-70910900 Brasilia, DF, Brazil
[2] Joint Inst Nucl Res, Bogoliubov Theoret Lab, Dubna 141980, Russia
[3] Silesian Univ, Inst Phys, Dept Theoret Phys, PL-40007 Katowice, Poland
来源：
PHYSICAL REVIEW B | 2006年 / 73卷 / 06期
关键词：
D O I：
10.1103/PhysRevB.73.064516
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Within the t-J model Hamiltonian we present a resonating valence-bond mean-field theory directly in terms of dopant particles. We apply this theory to NaxCoO2 center dot yH(2)0 and show that the resulting phase diagram T-c versus doping is in qualitative agreement with the experimental results.
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页数：12
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