Conductivity magnetooscillations in 2D electron-impurity system under microwave irradiation: role of magnetoplasmons

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dc.creatorTakhtamirov, E. E.
dc.creatorVolkov, V. A.
dc.date2005-06-28
dc.date.accessioned2026-07-07T03:05:50Z
dc.date.available2026-07-07T03:05:50Z
dc.descriptionIt is developed a many-electron approach to explain the recently observed conductivity magnetooscillations in very high mobility 2D electron systems under microwave irradiation. For the first time a theory takes into account the microwave-induced renormalization of the screened impurity potential. As a result this potential has singular, dynamic and non-linear in electric field nature. That changes the picture of scattering of electrons at impurities in a ``clean'' 2D system essentially: for appearence of the rectified dissipative current responsible are excitations of 2D magnetoplasmons rather than one-electron transitions between Landau levels. In a ``dirty'' 2D system the role of electron-electron interaction diminishes, so the collective excitations cease to exist, and our results turn into the well-known ones, which were obtained in the one-electron approach.
dc.description5 pages, 1 figure
dc.identifierhttps://arxiv.org/abs/cond-mat/0506727
dc.identifierhttp://arxiv.org/abs/cond-mat/0506727
dc.identifierProceedings of 13th Int. Symp. "Nanostructures: Physics and Technology", St. Petersburg, Russia, June 20-25, 2005, Ioffe Institute, pp. 399-400
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/26594
dc.subjectMesoscale and Nanoscale Physics
dc.subjectStrongly Correlated Electrons
dc.titleConductivity magnetooscillations in 2D electron-impurity system under microwave irradiation: role of magnetoplasmons
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