Spin current and magneto-electric effect in non-collinear magnets

Details Spin current and magneto-electric effect in non-collinear magnets Spin current and magneto-electric effect in non-collinear magnets

2004-12-13

arxiv.org/abs/cond-mat/0412319v1

Phys. Rev. Lett. 95, 057205(2005).

Physics

Condensed Matter

Strongly Correlated Electrons

5 pages, 2 figures

Scientific paper

10.1103/PhysRevLett.95.057205

A new microscopic mechanism of the magneto-electric (ME) effect based on the spin supercurrent is theoretically presented for non-collinear magnets. The close analogy between the superconductors (charge current) and magnets (spin current) is drawn to derive the distribution of the spin supercurrent and the resultant electric polarization. Application to the spiral spin structure is discussed.

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