Resonance Magnetoresistance in Coupled Quantum Wells

Details Resonance Magnetoresistance in Coupled Quantum Wells Resonance Magnetoresistance in Coupled Quantum Wells

1994-06-27

arxiv.org/abs/cond-mat/9406102v1

Physics

Condensed Matter

10 pages + 4 figures, REVTeX 3

Scientific paper

The in-plane magnetic field suppresses the quantum coupling between electrons in a double quantum well structure. The microscopical theory of this effect is developed and confirmed experimentally. We have shown that the decrease of the "resistance resonance" peak is sensitive to the mutual orientation of the current and the in-plane magnetic field. The characteristic field required for the suppression of the resonance depends on the elastic small angle and electron--electron scattering rates. The study of the characteristic field allows to verify the temperature and Fermi energy dependence of the electron--electron scattering rate, providing a new experimental tool for its measurement.

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