Self-duality in quantum impurity problems

被引：22

作者：

Fendley, P ^{[1
]}

Saleur, H

机构：

[1] Univ Virginia, Dept Phys, Charlottesville, VA 22901 USA

[2] Univ So Calif, Dept Phys, Los Angeles, CA 90089 USA

来源：

PHYSICAL REVIEW LETTERS | 1998年 / 81卷 / 12期

关键词：

D O I：

10.1103/PhysRevLett.81.2518

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We establish the existence of an exact nonperturbative self-duality in a variety of quantum impurity problems, including the Luttinger liquid or quantum wire with impurity. The former is realized in the fractional quantum Hall effect, where the duality interchanges electrons with Laughlin quasiparticles. We discuss the mathematical structure underlying this property, which bears an intriguing resemblance to the work of Seiberg and Witten on supersymmetric non-Abelian gauge theory. [S0031-9007(98)07028-8].

引用

页码：2518 / 2521

页数：4

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