Quantum Hall effect on the Lobachevsky plane

被引：11
|
作者：
Bulaev, DV [1 ]
Geyler, VA [1 ]
Margulis, VA [1 ]
机构：
[1] Mordovian NP Ogarev State Univ, Saransk 430000, Russia
来源：
PHYSICA B-CONDENSED MATTER | 2003年 / 337卷 / 1-4期
基金：
俄罗斯基础研究基金会;
关键词：
quantum Hall effect; Lobachevsky plane;
D O I：
10.1016/S0921-4526(03)00402-2
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The Hall conductivity of an electron gas on the surface of constant negative curvature (the Lobachevsky plane) in the presence of an orthogonal magnetic field is investigated. It is shown that the surface curvature decreases the quantum Hall plateau widths and shifts the steps in the Hall conductivity to higher magnetic fields (or to lower values of the chemical potential). An increase of temperature results in smearing of the steps. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码：180 / 185
页数：6
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