Disorder and magnetic field dependence of slow electronic relaxation

被引：83

作者：

Ovadyahu, Z ^{[1
]}

Pollak, M ^{[1
]}

机构：

[1] UNIV CALIF RIVERSIDE, DEPT PHYS, RIVERSIDE, CA 92521 USA

来源：

PHYSICAL REVIEW LETTERS | 1997年 / 79卷 / 03期

关键词：

D O I：

10.1103/PhysRevLett.79.459

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We show that the relaxation of the excess conductivity in a hopping system driven far from equilibrium is systematically affected by static disorder and magnetic field. In following the glasslike relaxation for times much longer than has been done before we observe a new time dependence of the relaxation. A positive magnetoresistance and a strong effect of the magnetic field on the relaxation indicate that spins may play an important role in the nonequilibrium properties of such systems.

引用

页码：459 / 462

页数：4

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