Weak localization of short pulses in disordered waveguides

被引：0
|
作者：
Skipetrov, SE [1 ]
van Tiggelen, BA [1 ]
机构：
[1] Univ Grenoble 1, Maison Magisteres, CNRS, Lab Phys & Modelisat Milieux Condenses, F-38042 Grenoble, France
来源：
ACTA PHYSICA POLONICA A | 2006年 / 109卷 / 01期
关键词：
D O I：
10.12693/APhysPolA.109.101
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We consider the phenomenon of weak localization of a short wave pulse in a quasi-1D disordered waveguide. We show that the long-time decay of the average transmission coefficient is not purely exponential in contradiction with predictions of the diffusion theory. The diffusion theory breaks down completely for times exceeding the Heisenberg time. We also study the survival probability of a quantum particle in a disordered waveguide and compare our results with previous calculations using the super-symmetric nonlinear sigma model.
引用
收藏
页码：101 / 108
页数：8
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