Spin current in the Kondo lattice model

Details Spin current in the Kondo lattice model Spin current in the Kondo lattice model

2002-10-30

arxiv.org/abs/cond-mat/0210661v3

Phys. Rev. B 67, 144423 (2003)

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages included 3 figures. The title is changed and several new references and notes are added

Scientific paper

10.1103/PhysRevB.67.144423

By using the projection operator technique it is observed that the strong Hund's rule coupling and s-d interaction in transition metal elements may lead to an effective coupling between the spin current and spin spirality. As a result, the spin spirality can be regarded as a driving force to produce a spin current. The spin current may give rise to a novel type of field acting on the spins. A spin battery is designed based on the interactions between the spin current and spin spirality.

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