{ "id": "1808.09157", "version": "v1", "published": "2018-08-28T07:56:22.000Z", "updated": "2018-08-28T07:56:22.000Z", "title": "Theory of charge-spin conversion at oxide interfaces: The inverse spin-galvanic effect", "authors": [ "Goetz Seibold", "Sergio Caprara", "Roberto Raimondi" ], "comment": "Submitted to Proceedings of SPIE Nanoscience + Engineering 2018, Spintronics XI, 23 pages, 9 figures", "categories": [ "cond-mat.mes-hall" ], "abstract": "We evaluate the non-equilibrium spin polarization induced by an applied electric field for a tight-binding model of electron states at oxides interfaces in LAO/STO heterostructures. By a combination of analytic and numerical approaches we investigate how the spin texture of the electron eigenstates due to the interplay of spin-orbit coupling and inversion asymmetry determines the sign of the induced spin polarization as a function of the chemical potential or band filling, both in the absence and presence of local disorder. With the latter, we find that the induced spin polarization evolves from a non monotonous behavior at zero temperature to a monotonous one at higher temperature. Our results may provide a sound framework for the interpretation of recent experiments.", "revisions": [ { "version": "v1", "updated": "2018-08-28T07:56:22.000Z" } ], "analyses": { "keywords": [ "inverse spin-galvanic effect", "oxide interfaces", "charge-spin conversion", "induced spin polarization evolves", "non-equilibrium spin polarization" ], "note": { "typesetting": "TeX", "pages": 23, "language": "en", "license": "arXiv", "status": "editable" } } }