Universal peak conductivities at the transition between insulating and integer quantum Hall states

被引：2

作者：

Murzin, S. S. ^{[2
]}

Jansen, A. G. M. ^{[1
]}

机构：

[1] Inst Nanosci & Cryogenie, Serv Phys Stat Magnetisme & Supraconduct, UMR E CEA UJF Grenoble 1, F-38054 Grenoble, France

[2] Inst Solid State Phys RAS, Chernogolovka 142432, Moscow District, Russia

来源：

PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES | 2011年 / 43卷 / 09期

基金：

俄罗斯基础研究基金会;

关键词：

GLOBAL PHASE-DIAGRAM; DELOCALIZED STATES; MAGNETIC-FIELD; EDGE CURRENTS; REGIME; RESISTIVITY; SEMICIRCLE; BEHAVIOR; VALUES; GAS;

D O I：

10.1016/j.physe.2011.04.008

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Experimental data available in the literature for the peak values, of the diagonal conductivity at the transition between the insulating state and the lowest integer quantum Hall states are compared with the universal values of and 1 (in units e(2)/h). A good agreement is found for different two-dimensional charge-carrier systems by taking account for the presence of electronic valley or spin degeneracy in the appropriate cases. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：1576 / 1578

页数：3

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