Electronic pressure on ferromagnetic domain wall

Details Electronic pressure on ferromagnetic domain wall Electronic pressure on ferromagnetic domain wall

2000-11-10

arxiv.org/abs/cond-mat/0011177v1

Solid State Communications 116, 533 (2000)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Scientific paper

10.1016/S0038-1098(00)00382-3

The scattering of the eletron by a domain wall in a nano-wire is studied perturbatively to the lowest order. The correction to the thermodaynamic potential of the electron system due to the scattering is calculated from the phase shift. The wall profile is determined by taking account of this correction, and the result indicates that the wall in a ferromagnet with small exchange coupling can be squeezed to be very thin to lower the electron energy.

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