Vortex state in d-wave superconductivity

被引：0
|
作者：
Maki, K
Won, H
机构：
[1] HALLYM UNIV,DEPT PHYS,CHUNCHON 200702,SOUTH KOREA
[2] HALLYM UNIV,IRC,CHUNCHON 200702,SOUTH KOREA
来源：
PHYSICA B | 1997年 / 230卷
关键词：
d-wave superconductivity; cuprates; vortex state;
D O I：
10.1016/S0921-4526(96)00694-1
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The vortex state in d-wave superconductivity exhibits a number of surprising features. In a magnetic field B parallel to c we find a square vortex lattice tilted by pi/4 from the a-axis is the most stable. Such a vortex lattice though elongated in the b-direction has been seen in a recent small angle neutron scattering experiment and STM imaging both on YBCO monocrystals. When B is in the a-b plane the upper critical field exhibits the fourfold symmetry in theta, where theta is the angle B makes from the a-axis. Again this fourfold symmetry is seen recently by a sensitive torque measurement in an untwinned YBCO monocrystal.
引用
收藏
页码：935 / 938
页数：4
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