Effects of atomic-scale roughness at the surface of d(x(2)-y(2))-wave superconductor

被引：7
|
作者：
Tanuma, Y
Tanaka, Y
Yamashiro, M
Kashiwaya, S
机构：
[1] NIIGATA UNIV,DEPT PHYS,NIIGATA 95021,JAPAN
[2] ELECTROTECH LAB,TSUKUBA,IBARAKI 305,JAPAN
来源：
PHYSICA C | 1997年 / 282卷
关键词：
D O I：
10.1016/S0921-4534(97)01088-5
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The quasiparticle properties of d(x2-y2)-wave superconductor near the rough surfaces is calculated using extended Hubbard model. Here, we calculate the local density of states (LDOS) near the surface with atomic-scale roughness, and investigate the correlation between the appearance of the zero energy states (ZES) and the surface roughness. In order to obtain the energy spectrum of quasiparticles, or LDOS, a numerical method is developed which is suitable to treat the disorder in the atomic-scale order length.
引用
收藏
页码：1857 / 1858
页数：2
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