Anomalous Nernst effect in the vortex-liquid phase of high-temperature superconductors by layer decoupling

被引：0
作者：
Rodriguez, J. P. [1 ]
机构：
[1] Calif State Univ Los Angeles, Dept Phys & Astron, Los Angeles, CA 90032 USA
来源：
EUROPHYSICS LETTERS | 2006年 / 75卷 / 05期
关键词：
TYPE-2; SUPERCONDUCTORS; T-C; LATTICE; FLUCTUATIONS; TRANSITIONS; STATE;
D O I：
10.1209/epl/i2006-10176-7
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Linear diamagnetism is predicted in the vortex-liquid phase of layered superconductors at temperatures just below the mean-field phase transition on the basis of a high-temperature analysis of the corresponding frustrated XY model. The diamagnetic susceptibility, and the Nernst signal by implication, is found to vanish with temperature as (T-c0 - T)(3) in the vicinity of the mean-field transition at T-c0. Quantitative agreement with recent experimental observations of a diamagnetic signal in the vortex-liquid phase of high-temperature superconductors is obtained.
引用
收藏
页码：804 / 810
页数：7
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