Microwave Photoresistance Measurements of Magneto-excitations near a 2D Fermi Surface

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dc.creatorZudov, M. A.
dc.creatorDu, R. R.
dc.creatorSimmons, J. A.
dc.creatorReno, J. L.
dc.date1997-11-16
dc.date.accessioned2026-07-07T03:09:26Z
dc.date.available2026-07-07T03:09:26Z
dc.descriptionWe report the detection of the cyclotron(CR) and magneto-plasmon(MPR) resonances near the Fermi surface of high-mobility 2DES, by microwave photoresistance measurements. We observe large amplitude photoresistance oscillations originating from higher-order CR, transitions between non-adjacent Landau levels. Such transitions are drastically enhanced in low magnetic field as compared to those previously known in the high field limit. The scattering time of the CR is found to be nearly one order of magnitude higher than that of Shubnikov-de-Haas oscillations. Finally, distinct photoresistance peaks are observed in addition to the CR features. These are identified as resonances of the low-frequency MP modes at a cut-off wavelength determined by the width of the 2DES sample.
dc.description10 pages(RevTex), 4 figures(PS)
dc.identifierhttps://arxiv.org/abs/cond-mat/9711149
dc.identifierhttp://arxiv.org/abs/cond-mat/9711149
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/27889
dc.subjectStrongly Correlated Electrons
dc.titleMicrowave Photoresistance Measurements of Magneto-excitations near a 2D Fermi Surface
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