Effect of diffusive boundaries on surface superconductivity in unconventional superconductors

被引：8
|
作者：
Agterberg, DF
Walker, MB
机构：
[1] Department of Physics, University of Toronto, Toronto, ON
来源：
PHYSICAL REVIEW B | 1996年 / 53卷 / 22期
关键词：
D O I：
10.1103/PhysRevB.53.15201
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Boundary conditions for a superconducting order parameter at a diffusive scattering boundary are derived from microscopic theory. The results indicate that for all but isotropic gap functions the diffusive boundary almost completely suppresses surface superconductivity in the Ginzburg-Landau regime. This indicates that in anisotropic superconductors surface superconductivity can only be observed for surface normals along high-symmetry directions where atomically clean surfaces can be cleaved.
引用
收藏
页码：15201 / 15205
页数：5
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