QUANTUM OSCILLATION IN VORTEX STATES OF TYPE-II SUPERCONDUCTORS

被引：109

作者：

MAKI, K ^{[1
]}

机构：

[1] UNIV SO CALIF,DEPT PHYS,LOS ANGELES,CA 90089

来源：

PHYSICAL REVIEW B | 1991年 / 44卷 / 06期

关键词：

D O I：

10.1103/PhysRevB.44.2861

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We examine theoretically magnetic quantum oscillations like the de Haas-van Alphen and Subnikov-de Haas effects in vortex states in type-II superconductors. For a magnetic field B not very small compared with H(c2)(T), the main effect of superconductivity is introduction of the extra quasiparticle scattering rate proportional to (DELTA)2, the square of the superconducting order parameter. Therefore the detectability of the magnetic quantum oscillation is determined from the condition that the extra Dingle temperature due to (DELTA)2 is not too large. For example, in a magnetic field approximately 10 T, the superconducting transition temperature T(c) has to be less than 30 K in order to have a reasonable signal.

引用

页码：2861 / 2862

页数：2

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