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Type: Artigo de periódico
Title: Hot Brownian Carriers In The Langevin Picture: Application To A Simple Model For The Gunn Effect In Gaas
Author: Bauke F.C.
Lagos R.E.
Abstract: We consider a charged Brownian gas under the influence of external, static and uniform electric and magnetic fields, immersed in a uniform bath temperature. We obtain the solution for the associated Langevin equation, and thereafter the evolution of the nonequilibrium temperature towards a nonequilibrium (hot) steady state. We apply our results to a simple yet relevant Brownian model for carrier transport in GaAs. We obtain a negative differential conductivity regime (Gunn effect) and discuss and compare our results with the experimental results. © 2013 Elsevier B.V. All rights reserved.
Rights: fechado
Identifier DOI: 10.1016/j.physa.2013.08.081
Date Issue: 2014
Appears in Collections:Unicamp - Artigos e Outros Documentos

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