Luttinger liquid with one impurity: Equivalent field theory and duality

被引：4

作者：

Afonin, V. V. ^{[1
]}

Petrov, V. Yu. ^{[2
]}

机构：

[1] Russian Acad Sci, AF Ioffe Phys Tech Inst, St Petersburg 194021, Russia

[2] Petersburg Nucl Phys Inst, St Petersburg 188300, Russia

来源：

JETP LETTERS | 2013年 / 97卷 / 09期

基金：

俄罗斯基础研究基金会;

关键词：

DIMENSIONAL ELECTRON-GAS;

D O I：

10.1134/S0021364013090026

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We derive by functional integral method one-dimensional theory equivalent to Luttinger liquid with one impurity. It is shown that the single quantity has to be calculated for the formulation the effective field theory is the electron density jump at the impurity. We show that duality which relates models with electron-electron attraction and repulsion, and simultaneous exchange of transition and reflection coefficients, is an exact property of the theory.

引用

页码：507 / 512

页数：6

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