Tunneling gap of laterally separated quantum Hall systems

被引：24

作者：

Kollar, M

Sachdev, S

机构：

[1] Univ Frankfurt, Inst Theoret Phys, D-60054 Frankfurt, Germany

[2] Yale Univ, Dept Phys, New Haven, CT 06520 USA

来源：

PHYSICAL REVIEW B | 2002年 / 65卷 / 12期

关键词：

D O I：

10.1103/PhysRevB.65.121304

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We use a method of matched asymptotics to determine the energy gap of two counter-propagating, strongly interacting quantum Hall edge states. The microscopic edge state dispersion and Coulomb interactions are used to precisely constrain the short-distance behavior of an integrable field theory, which then determines the low energy spectrum. We discuss the relationship of our results to the tunneling measurements of Kang [Nature 403, 59 (2000)].

引用

页码：1 / 4

页数：4

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