Spin-Orbit Assisted Variable-Range Hopping in Strong Magnetic Fields

Details Spin-Orbit Assisted Variable-Range Hopping in Strong Magnetic Fields Spin-Orbit Assisted Variable-Range Hopping in Strong Magnetic Fields

1996-07-29

arxiv.org/abs/cond-mat/9607211v1

Europhys. Lett. 37, 127 (1997)

Physics

Condensed Matter

9 pages + 2 figures (enclosed), Revtex

Scientific paper

10.1209/epl/i1997-00121-4

It is shown that in the presence of strong magnetic fields, spin-orbit scattering causes a sharp increase in the effective density of states in the variable-range hopping regime when temperature decreases. This effect leads to an exponential enhancement of the conductance above its value without spin-orbit scattering. Thus an experimental study of the hopping conductivity in a fixed, large magnetic field, is a sensitive tool to explore the spin-orbit scattering parameters in the strongly localized regime.

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