2DEG in the presence of tilted magnetic field at finite temperature

被引：6
|
作者：
Ramos, A. C. A. [2 ]
Alves, T. F. A. [1 ]
Farias, G. A. [1 ]
Costa Filho, R. N. [1 ,3 ]
Almeida, N. S. [1 ]
机构：
[1] Univ Fed Ceara, Dept Fis, BR-60455760 Fortaleza, Ceara, Brazil
[2] Univ Fed Ceara, BR-63030200 Juazeiro Do Norte, Ceara, Brazil
[3] Univ Western Ontario, Dept Phys & Astron, London, ON N6A 3K7, Canada
来源：
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES | 2009年 / 41卷 / 07期
关键词：
2DEG; Tilted magnetic field; Thermodynamic properties; 2-DIMENSIONAL ELECTRON-GAS; SPIN-POLARIZATION; SYSTEMS;
D O I：
10.1016/j.physe.2009.02.011
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The effects of finite temperature on a two-dimensional electron gas (2DEG) in the presence of a tilted dc magnetic field are studied. The depolarization induced by a tilted field is analyzed and its influence on the transport and thermodynamical properties of the system is investigated. We analyze the behavior of the chemical potential, free energy, magnetic susceptibility and magnetization as a function of the intensity and direction of an externally applied dc magnetic field at different temperatures. Numerical results are obtained for the Hall conductivity for densities around 10(12) cm(-2) and magnetic field smaller than 200 kG. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：1267 / 1271
页数：5
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