RESISTIVE BEHAVIOR OF HIGH-TC SUPERCONDUCTORS - INFLUENCE OF A DISTRIBUTION OF ACTIVATION-ENERGIES

被引：183

作者：

GRIESSEN, R

机构：

[1] Natuurkundig Laboratorium, Vrije Universiteit, Amsterdam

来源：

PHYSICAL REVIEW LETTERS | 1990年 / 64卷 / 14期

关键词：

D O I：

10.1103/PhysRevLett.64.1674

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A model combining thermally activated motion of flux lines, viscous flux flow at high current density, and distribution of activation energies is shown to reproduce the characteristic features of current-voltage curves of high-Tc superconductors. In particular the recent data of Koch et al. and Zeldov et al. can be explained without invoking a continuous phase transition (freezing into a superconducting vortex-glass phase) or a logarithmic current dependence of the activation energy. © 1990 The American Physical Society.

引用

页码：1674 / 1677

页数：4

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