Spin polarization effect on spin Coulomb drag in a two-dimensional electron system

Amir Esmailian (), Faramarz Kanjouri and Fatemeh Tavasoli

The European Physical Journal B: Condensed Matter and Complex Systems, 2013, vol. 86, issue 4, 1-4

Abstract: We study the effect of spin polarization on spin-drag transresistivity in a two-dimensional (2D) electron gas at temperature T beyond the random phase approximation (RPA). We make use of spin resolved static local field factors for 2D spin polarized electron gas to take into account the many-body electronic correlation beyond the RPA. The main result of our work is that the reduction in spin Coulomb drag (SCD), due to the spin polarization of the system, is significantly compensated by the inclusion of the many-body local field corrections. We also calculate the temperature behavior of spin diffusion constant based on SCD theory for a spin polarized electron system. Copyright EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg 2013

Keywords: Solid State and Materials (search for similar items in EconPapers)
Date: 2013
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DOI: 10.1140/epjb/e2013-30720-5

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