Density of states in a magnetic field and electron-electron interactions

被引：2
|
作者：
Karakurt, I [1 ]
Dahm, AJ [1 ]
机构：
[1] Case Western Reserve Univ, Dept Phys, Cleveland, OH 44106 USA
来源：
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES | 2003年 / 18卷 / 1-3期
关键词：
density of states; electron-electron interactions; magnetoconductivity;
D O I：
10.1016/S1386-9477(02)01086-X
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
We present magnetoconductivity measurements of two-dimensional non-degenerate electrons on liquid helium at 1.22 K. We measured the magnetoconductivity from an extremely low density where e-a interactions are negligible to densities where Coulomb interactions dominate the width of the density of states peaks. We observe a crossover from Drude theory to SCBA as a function of both magnetic field and electron density at finite classical fields. (C) 2003 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：182 / 183
页数：2
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