Persistent Spin Currents in Helimagnets

Details Persistent Spin Currents in Helimagnets Persistent Spin Currents in Helimagnets

2003-05-05

arxiv.org/abs/cond-mat/0305069v2

Phys. Rev. B 68, 064406 (2003)

Physics

Condensed Matter

Materials Science

9 pages, 6 figures, updated version as published, Journal reference

Scientific paper

10.1103/PhysRevB.68.064406

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.

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