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Condens. Matter 2018, 3(3), 22; https://doi.org/10.3390/condmat3030022

On the Evaluation of the Spin Galvanic Effect in Lattice Models with Rashba Spin-Orbit Coupling

1
Institute of Physics, Brandenburgische Technische Universität Cottbus-Senftenberg, P.O. Box 101344, 03013 Cottbus, Germany
2
Dipartimento di Fisica Università di Roma Sapienza, Piazzale Aldo Moro 5, I-00185 Roma, Italy
3
Dipartimento di Matematica e Fisica, Università Roma Tre, Via della Vasca Navale 84, 00146 Rome, Italy
*
Author to whom correspondence should be addressed.
Received: 19 June 2018 / Revised: 15 July 2018 / Accepted: 20 July 2018 / Published: 24 July 2018
(This article belongs to the Special Issue Selected Papers from Quantum Complex Matter 2018)
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Abstract

The spin galvanic effect (SGE) describes the conversion of a non-equilibrium spin polarization into a charge current and has recently attracted renewed interest due to the large conversion efficiency observed in oxide interfaces. An important factor in the SGE theory is disorder which ensures the stationarity of the conversion. Through this paper, we propose a procedure for the evaluation of the SGE on disordered lattices which can also be readily implemented for multiband systems. We demonstrate the performance of the method for a single-band Rashba model and compare our results with those obtained within the self-consistent Born approximation for a continuum model. View Full-Text
Keywords: spintronics; spin-galvanic effect; lattice models spintronics; spin-galvanic effect; lattice models
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Seibold, G.; Caprara, S.; Grilli, M.; Raimondi, R. On the Evaluation of the Spin Galvanic Effect in Lattice Models with Rashba Spin-Orbit Coupling. Condens. Matter 2018, 3, 22.

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