Resonant Transport in Coupled Quantum Wells: a Probe for Scattering Mechanisms

Details Resonant Transport in Coupled Quantum Wells: a Probe for Scattering Mechanisms Resonant Transport in Coupled Quantum Wells: a Probe for Scattering Mechanisms

1994-04-11

arxiv.org/abs/cond-mat/9404024v1

Physics

Condensed Matter

10 pages; 4 figures, REVTEX 3.0

Scientific paper

10.1103/PhysRevB.50.15420

We present a microscopical theory and experimental results concerning resistance resonance in two tunneling coupled quantum wells with different mobilities. The shape of the resonance appears to be sensitive to the small angle scattering rate on remote impurities and to the electron--electron scattering rate. This allows the extraction of scattering parameters directly from the transport measurements. The negative resonance in a Hall coefficient is predicted and observed for the first time.

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