ZERO-BIAS ANOMALY OF TUNNELING INTO THE EDGE OF A 2-DIMENSIONAL ELECTRON-SYSTEM

被引：8

作者：

SHEKHTMAN, L

GLAZMAN, LI

机构：

[1] Theoretical Physics Institute, School of Physics and Astronomy, University of Minnesota, Minneapolis, MN 55455

来源：

PHYSICAL REVIEW B | 1995年 / 52卷 / 04期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1103/PhysRevB.52.R2297

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We investigate the electron tunneling into the edge of a clean weakly interacting two-dimensional electron gas. It is shown that the corresponding differential conductance G(V) has a cusp at zero bias, and is characterized by a universal slope \dG/dV\ at V=0. This singularity originates from the electron scattering on the Friedel oscillation caused by the boundary of the system.

引用

页码：R2297 / R2300

页数：4

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