THE EFFECT OF RECOIL ON EDGE SINGULARITIES

被引：19

作者：

NOZIERES, P

机构：

[1] Inst Laue-Langevin, Grenoble

来源：

JOURNAL DE PHYSIQUE I | 1994年 / 4卷 / 09期

关键词：

D O I：

10.1051/jp1:1994188

中图分类号：

O4 [物理学];

学科分类号：

0702 [物理学];

摘要：

A transient local perturbation gives rise to infrared edge singularities. These singularities are shown to disappear if the scatterer is free to diffuse to infinity, as long as the dimension exceeds 1. When d = 1, or in the presence of localization when d > 1, the characteristic exponents are reduced by recoil, by a factor that involves an angular average over the Fermi surface.

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页码：1275 / 1280

页数：6

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