HALL-EFFECT NEAR THE VORTEX-GLASS TRANSITION IN HIGH-TEMPERATURE SUPERCONDUCTORS

被引:96
|
作者
DORSEY, AT [1 ]
FISHER, MPA [1 ]
机构
[1] IBM CORP,THOMAS J WATSON RES CTR,RES,YORKTOWN HTS,NY 10598
关键词
D O I
10.1103/PhysRevLett.68.694
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We discuss the Hall effect in the mixed state of type-II superconductors with an emphasis on the regime near the vortex-glass transition. This transition is argued to have a "hidden" particle-hole symmetry, and a new exponent is introduced to characterize the irrelevance of the particle-hole asymmetry. This leads to a natural explanation of the scaling of the Hall and longitudinal resistivities observed in YBa2Cu3O7. At the transition, the nonlinear Hall voltage is predicted to vary with a universal power of the current, and the linear ac Hall conductivity with a universal power of the frequency.
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页码:694 / 697
页数:4
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