Quasiclassical Theory of Phase Relaxation by Gauge Field Fluctuations

被引：0
|
作者：
Peter Wölfle
机构：
[1] Universität Karlsruhe,Institut für Theorie der Kondensierten Materie
来源：
Foundations of Physics | 2000年 / 30卷
关键词：
Correction Factor; Relaxation Rate; Electron System; Path Integral; Gauge Field;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The quasiclassical theory in terms of Feynman path integrals is used to calculate the decay of the Cooperon amplitude caused by transverse gauge field fluctuations in a disordered electron system. It is found that the phase relaxation rate in two dimensions varies linearly with the temperature as in the more common case of electric field fluctuations, but is proportional to the conductance rather than the resistance. A logarithmic correction factor is found in comparison to an earlier qualitative estimate.
引用
收藏
页码：2125 / 2133
页数：8
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