Tunneling effects in d-wave superconductors

被引：1
|
作者：
Tanaka, Y [1 ]
Kashiwaya, S [1 ]
Koyanagi, M [1 ]
Kajimura, K [1 ]
机构：
[1] NIIGATA UNIV,FAC SCI,DEPT PHYS,NIIGATA 95021,JAPAN
来源：
PHYSICA C | 1996年 / 263卷 / 1-4期
关键词：
D O I：
10.1016/0921-4534(95)00818-7
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We have clarified several novel features of tunneling effects in d-wave superconductors. In normal metal/insulator/d-wave superconductor junctions, a microscopic theory of tunneling conductance is presented and the origin of the zero-bias conductance peak, which is often observed in experiments, is clarified. The relation between tunneling conductance and local density of states is also obtained. In a d-wave superconductor/insulator/d-wave superconductor junction. the anomalous temperature dependence of maximum supercurrent and free energy minima are obtained. In some cases, time reversal symmetry is broken spontaneously and a supercurrent is induced which flows parallel to the interface.
引用
收藏
页码：238 / 240
页数：3
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