Magneto-oscillations due to electron-electron interactions in the ac conductivity of a 2D electron gas
| dc.creator | Sedrakyan, T. A. | |
| dc.creator | Raikh, M. E. | |
| dc.date | 2007-04-13 | |
| dc.date | 2008-03-04 | |
| dc.date.accessioned | 2026-07-07T09:24:08Z | |
| dc.date.available | 2026-07-07T09:24:08Z | |
| dc.description | Electron-electron interactions give rise to the correction, δσ^{int}(ω), to the ac magnetoconductivity, σ(ω), of a clean 2D electron gas that is periodic in ω_c^{-1}, where ω_c is the cyclotron frequency. Unlike conventional harmonics of the cyclotron resonance, which are periodic with ω, this correction is periodic with ω^{3/2}. Oscillations in δσ^{int}(ω) develop at low magnetic fields, ω_c\llω, when the conventional harmonics are suppressed by the disorder. Their origin is a {\em double} backscattering of an electron from the impurity-induced Friedel oscillations. During the time \simω^{-1} between the two backscattering events the electron travels only a {\em small portion} of the Larmour circle. | |
| dc.description | 4+ pages, 3 figures | |
| dc.identifier | https://arxiv.org/abs/0704.1704 | |
| dc.identifier | http://arxiv.org/abs/0704.1704 | |
| dc.identifier | Phys. Rev. Lett. 100, 086808 (2008) | |
| dc.identifier | doi:10.1103/PhysRevLett.100.086808 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/155988 | |
| dc.subject | Mesoscale and Nanoscale Physics | |
| dc.title | Magneto-oscillations due to electron-electron interactions in the ac conductivity of a 2D electron gas | |
| dc.type | text |