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VOLUME 67 (1998) | ISSUE 8 | PAGE 574
Exchange interaction effects in inter-Landau level Auger scattering in a two-dimensional electron gas
PACS: 72.10.Di, 73.40.Hm
We consider the influence of spin effects on the inter-Landau level electron-electron scattering rate in a two-dimensional electron gas. Due to the exchange spin splitting, the Landau levels are not equidistant. This leads to the suppresion of Auger processes and a nonlinear dependence of the lifetime on the concentration of the excited electrons even at very low excitation levels.