THERMAL-DIFFUSION OF QUASI-PARTICLES AND VORTICES IN THE MIXED STATE OF HIGH-TEMPERATURE SUPERCONDUCTORS

被引：35

作者：

RI, HC

KOBER, F

BECK, A

ALFF, L

GROSS, R

HUEBENER, RP

机构：

[1] Lehrstuhl Experimentalphysik II, Universität Tübingen, D-7400 Tübingen

来源：

PHYSICAL REVIEW B | 1993年 / 47卷 / 18期

关键词：

D O I：

10.1103/PhysRevB.47.12312

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In the mixed state of the high-temperature superconductors (HTSC's) both quasiparticles an magnetic-flux lines diffuse under the influence of a temperature gradient. The thermal diffusion of these species results in the Seebeck effect and the Nernst effect, respectively. A detailed description of the diffusion process is given taking into account the finite Hall angle of the moving quasiparticles and vortices. Our results demonstrate the impact of the Hall effect on the interpretation of experimental data on thermoelectric and thermomagnetic effects in the mixed state of HTSC's. Our model predictions agree well with the experimental data obtained from epitaxial YBa2Cu3O7-delta films.

引用

页码：12312 / 12315

页数：4

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