A. T. Hatke, M. A. Zudov, L. N. Pfeiffer, K. W. West
Published 2009-02-24Version 1
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.
Comments: 4 pages, 4 figures
Journal: Phys. Rev. Lett. 102, 086808 (2009)
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