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
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页码：1 / 4
页数：4
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