A BCS-Bose-Einstein crossover theory and its application to the cuprates

被引：0

作者：

Chen, QJ ^{[1
]}

Kosztin, I ^{[1
]}

Jankó, B ^{[1
]}

Levin, K ^{[1
]}

机构：

[1] Univ Chicago, James Franck Inst, Chicago, IL 60637 USA

来源：

HIGH TEMPERATURE SUPERCONDUCTIVITY | 1999年 / 483卷

关键词：

D O I：

暂无

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

We use a "pairing fluctuation" approach to address the behavior of T-c and pseudogap in d-wave superconductors. This theory yields a BCS-Bose-Einstein crossover description of the superconducting transition, which reduces to BCS in the weak coupling (small g) limit and to a Bose-Einstein description at large g. We investigate the effects of quasi-two dimensionality, lattice bandstructure and d-wave symmetry, and obtain a cuprate phase diagram, in quantitative agreement with experiment.

引用

页码：22 / 25

页数：4

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