Eur. Phys. J. B (2012) 85: 92
https://doi.org/10.1140/epjb/e2012-20649-6

Regular Article

Transport and thermodynamic properties of a 2DEG in the presence of tilted magnetic field: the influence of Dresselhauss interaction

¹ Departamento de Física, Universidade Federal do Piauí, Campus Ministro Petrônio Portela, 64049-550 Teresina, Piauí, Brasil
² Universidade Federal do Ceará, Campus do Cariri, 63030-200 Juazeiro do Norte, Ceará, Brasil
³ Departamento de Física, Universidade Federal do Ceará, Caixa Postal 6030, Campus do Pici, 60455-760 Fortaleza, Ceará, Brasil
⁴ Departamento de Física, Universidade do Estado do Rio Grande do Norte, 50610-210 Mossoró, Rio Grande do Norte, Brasil

^a e-mail: tay@ufpi.edu.br

Received: 16 August 2011
Received in final form: 9 January 2012
Published online: 7 March 2012

Abstract

The effect of Dresselhauss spin-orbit coupling on transport and thermodynamic properties of a non-interacting two-dimensional electron gas (2DEG) is investigated. The Hamiltonian used also includes a tilted magnetic field and a Rashba spin-orbit interaction. The Dresselhauss spin-orbit interaction, likewise the Rashba spin-orbit interaction, introduces a beating pattern in the conductivity tensor and in the magnetization along the field direction. A method to estimate the contribution of the Rashba and Dresselhauss interactions to the beating pattern is given using the periodicity of the beating patterns.