Interaction corrections at intermediate temperatures: magneto-resistance in parallel field

Details Interaction corrections at intermediate temperatures: magneto-resistance in parallel field Interaction corrections at intermediate temperatures: magneto-resistance in parallel field

2001-09-27

arxiv.org/abs/cond-mat/0109531v1

Physics

Condensed Matter

Disordered Systems and Neural Networks

4 pages, 3 eps figures

Scientific paper

10.1103/PhysRevB.65.020201

We consider the correction to conductivity of a 2D electron gas due to electron-electron interaction in the parallel magnetic field at arbitrary relation between temperature and the elastic mean free time. The correction exhibits non-trivial dependence on both temperature and the field. This dependence is determined by the Fermi liquid constant, which accounts for the spin-exchange interaction. In particular, the sign of the slope of the temperature dependence is not universal and can change with the increase of the field.

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