Thermodynamic transitions in inhomogeneous d-wave superconductors

被引：45

作者：

Andersen, Brian M. ^{[1
]}

Melikyan, Ashot

Nunner, Tamara S.

Hirschfeld, P. J.

机构：

[1] Univ Florida, Dept Phys, Gainesville, FL 32611 USA

[2] Free Univ Berlin, Inst Theoret Phys, D-14195 Berlin, Germany

[3] Univ Paris 11, Phys Solides Lab, F-91405 Orsay, France

来源：

PHYSICAL REVIEW B | 2006年 / 74卷 / 06期

关键词：

D O I：

10.1103/PhysRevB.74.060501

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We study the spectral and thermodynamic properties of inhomogeneous d-wave superconductors within a model where the inhomogeneity originates from atomic-scale pair disorder. This assumption has been shown to be consistent with the small charge and large gap modulations observed by scanning tunneling spectroscopy on Bi2Sr2CaCu2O8+x. Here we calculate the specific heat within the same model, and show that it gives a transition width comparable to those found in experiments on this material. This suggests that nanoscale inhomogeneity is a bulk property of the Bi2Sr2CaCu2O8+x materials.

引用

页数：4

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