Left-handed Ferromagnet

Details Left-handed Ferromagnet Left-handed Ferromagnet

2007-02-16

arxiv.org/abs/cond-mat/0702379v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 pages, 2 figures, REVTeX

Scientific paper

The dynamics of the total magnetization in metallic ferromagnet is studied theoretically taking into account the relativistic spin-orbit interaction. It is found that its quantum dynamics is seriously influenced by the band crossings near the Fermi energy, and sometimes the direction of the precession can be reversed from what expected from the commutation relation $[S^{x},S^{y}]= i\hbar S^{z}$ ($h = 2\pi \hbar$: Planck constant), i.e., the left-handed ferromagnet can be realized.

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