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Type: Artigo de periódico
Title: Steady-state Polarization Waves In Photoexcited N-doped Semiconductors
Author: Esperidiao A.S.
Vasconcellos A.R.
Luzzi R.
Abstract: We show that, in n-doped semiconductors under continuous laser illumination the homogeneous steady-state of carriers becomes, in the degenerate regime, unstable against the formation of spatial order at the macroscopic level. Beyond a critical distance from equilibrium this nonequilibrium phase transition occurs, corresponding to the formation of a polarization wave of electrons and holes. It is the result of the interplay of collective and nonlinear dissipative effects in the far-from-equilibrium system. © 1990.
Rights: fechado
Identifier DOI: 10.1016/0038-1098(90)90450-P
Date Issue: 1990
Appears in Collections:Unicamp - Artigos e Outros Documentos

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