Phonon-induced Resistance Oscillations in Very-high Mobility 2D Electron Systems

Details Phonon-induced Resistance Oscillations in Very-high Mobility 2D Electron Systems Phonon-induced Resistance Oscillations in Very-high Mobility 2D Electron Systems

2009-02-24

arxiv.org/abs/0902.4208v1

Phys. Rev. Lett. 102, 086808 (2009)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 4 figures

Scientific paper

We report on temperature dependence of acoustic phonon-induced resistance oscillations in very high mobility two-dimensional electron systems. We observe that the temperature dependence is non-monotonic and that higher order oscillations are best developed at progressively lower temperatures. Our analysis shows that, in contrast to Shubnikov-de Haas effect, phonon-induced resistance oscillations are sensitive to electron-electron interactions modifying the single particle lifetime.

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