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Measurement of electron-hole friction in an n-doped GaAs/AlGaAs quantum well using optical transient grating spectroscopy

We use phase-resolved transient grating spectroscopy to measure the drift and diffusion of electron-hole density waves in a semiconductor quantum well. The unique aspects of this optical probe allow us to determine the frictional force between a two-dimensional Fermi liquid of electrons and a dilute gas of holes. Knowledge of electron-hole friction enables prediction of ambipolar dynamics in high-mobility electron systems.

preprint2011arXivOpen access
Luyi YangJ. D. KoralekJ. OrensteinD. R. TibbettsJ. L. RenoM. P. Lilly
cond-mat.mes-hall
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Open access6 authors1 topic
Imported metadata coverageMissing code, dataset, citation and institution fields are tracked without dominating the paper.Details
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Luyi YangJ. D. KoralekJ. OrensteinD. R. TibbettsJ. L. RenoM. P. Lilly

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