Persistent Spin Currents in Helimagnets

A. H. MacDonald; A. Stern; A.B. Harris; A.I. Larkin; B.I. Halperin; C. Pfleiderer; C.B. Hanna; C.S.O. Yokoi; D. Jérome; D. Loss; D. Snoke; D.E. McCumber; D.E. McCumber; E.B. Myers; E.C. Stoner; F. Schütz; F.P. Mena; G. Binasch; H. Capellmann; H. Kawamura; I.B. Spielman; I.B. Spielman; I.E. Dzyaloshinskii; J. Bardeen; J. Kyriakidis; J. Kyriakidis; J. Kyriakidis; J. Kyriakidis; J. König; J.A. Katine; J.A. Katine; J.C. Slonczewski; J.C. Slonczewski; J.S. Langer; J.S. Moodera; Jan Heurich; Jürgen König; K. Moon; K. Yang; K. Yang; L. Balents; L. Berger; L. Berger; L.V. Butov; L.V. Keldysh; M. Fogler; M. Julliere; M. Kellogg; M.L. Plumer; M.L. Plumer; M.N. Baibich; M.O. Steinitz; N. Ali; P. Bak; P. Bak; P. Fulde; P.W. Anderson; R.R. Guseinov; S.I. Shevchenko; T. Vojta; W.H. Rippard; X.-C. Gao; X.-G. Wen; Yu.E. Lozovik

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Persistent Spin Currents in Helimagnets

Abstract

We demonstrate that weak external magnetic fields generate dissipationless spin currents in the ground state of systems with spiral magnetic order. Our conclusions are based on phenomenological considerations and on microscopic mean-field theory calculations for an illustrative toy model. We speculate on possible applications of this effect in spintronic devices.Comment: 9 pages, 6 figures, updated version as published, Journal referenc

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Last time updated on 01/04/2019