Surface effects on the electrodynamics of a type-II superconductor in the mixed state

被引：2
|
作者：
Laiho, R
Lähderanta, E [1 ]
Traito, KB
机构：
[1] Univ Turku, Dept Phys, Wihuri Phys Lab, FIN-20014 Turku, Finland
[2] Univ Vaasa, FIN-65101 Vaasa, Finland
[3] AF Ioffe Phys Tech Inst, St Petersburg 194021, Russia
来源：
PHYSICA C | 2001年 / 361卷 / 01期
关键词：
mixed state; penetration depth; surface impedance;
D O I：
10.1016/S0921-4534(01)00291-X
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Effects of deformation of flux lines on electrodynamics is investigated near the surface of a type-II superconductor in the mixed state when dc magnetic field is perpendicular to the surface. One- and two-mode approximations to the problem are presented. It is shown that the surface effects can be described by an effective boundary condition for a dense flux line lattice (B much greater than H-cl, where H-cl is the lower critical field) in the two-mode approximation. This condition determines the relative value of the amplitudes of the modes. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：53 / 58
页数：6
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