Ferromagnetic correlations in quasi-one-dimensional conducting channels

Details Ferromagnetic correlations in quasi-one-dimensional conducting channels Ferromagnetic correlations in quasi-one-dimensional conducting channels

1999-11-11

arxiv.org/abs/cond-mat/9911175v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

18 pages, 3 figures included

Scientific paper

10.1103/PhysRevB.61.16730

We propose a model which explains the experimental observation of spontaneous spin polarization of conducting electrons in quasi- one-dimensional GaAs/AlGaAs channels. We show that a ferromagnetic order is a generic property of a quasi-one-dimensional conducting channel embedded in a Wigner crystal. We also discuss gate voltage, magnetic field and temperature dependences of the channel's conductance.

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