{ "id": "0804.0820", "version": "v2", "published": "2008-04-04T23:31:34.000Z", "updated": "2008-08-09T18:31:44.000Z", "title": "Inhomogeneous Gilbert damping from impurities and electron-electron interactions", "authors": [ "E. M. Hankiewicz", "G. Vignale", "Y. Tserkovnyak" ], "comment": "5 pages, 1 figure", "journal": "Phys. Rev. B 78, 020404 (2008)", "doi": "10.1103/PhysRevB.78.020404", "categories": [ "cond-mat.mes-hall", "cond-mat.mtrl-sci" ], "abstract": "We present a unified theory of magnetic damping in itinerant electron ferromagnets at order $q^2$ including electron-electron interactions and disorder scattering. We show that the Gilbert damping coefficient can be expressed in terms of the spin conductivity, leading to a Matthiessen-type formula in which disorder and interaction contributions are additive. In a weak ferromagnet regime, electron-electron interactions lead to a strong enhancement of the Gilbert damping.", "revisions": [ { "version": "v2", "updated": "2008-08-09T18:31:44.000Z" } ], "analyses": { "subjects": [ "76.50.+g", "75.45.+j", "75.30.Ds" ], "keywords": [ "electron-electron interactions", "inhomogeneous gilbert damping", "impurities", "itinerant electron ferromagnets", "weak ferromagnet regime" ], "tags": [ "journal article" ], "publication": { "publisher": "APS", "journal": "Physical Review B", "year": 2008, "month": "Jul", "volume": 78, "number": 2, "pages": "020404" }, "note": { "typesetting": "TeX", "pages": 5, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2008PhRvB..78b0404H" } } }