Domain walls and the conductivity of mesoscopic ferromagnets

Details Domain walls and the conductivity of mesoscopic ferromagnets Domain walls and the conductivity of mesoscopic ferromagnets

1998-01-13

arxiv.org/abs/cond-mat/9801113v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 1 fugure, RevTEX, Submitted to Phys. Rev. Lett

Scientific paper

10.1103/PhysRevLett.81.3215

Quantum interference phenomena in the conductivity of mesoscopic ferromagnets are considered, particularly with regard to the effects of geometric phases acquired by electrons propagating through regions of spatially varying magnetization (due, e.g., to magnetic domain walls). Weak localization and electron-electron interaction quantum corrections to the conductivity and universal conductance fluctuations are discussed. Experiments are proposed for multiply-connected geometries that should reveal conductance oscillations with variations of the profile of the magnetization.

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