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Motion of wave fronts in semiconductor superlattices



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Carpio, Ana y Bonilla, L.L. y Dell’Acqua, G. (2001) Motion of wave fronts in semiconductor superlattices. Physical Review E, 64 (3). ISSN 1539-3755

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URL Oficial: http://arxiv.org/pdf/cond-mat/0201316.pdf

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An analysis of wave front motion in weakly coupled doped semiconductor superlattices is presented. If a dimensionless doping is sufficiently large, the superlattice behaves as a discrete system presenting front propagation failure and the wave fronts can be described near the threshold currents J(i) (i= 1,2) at which they depin and move. The wave front velocity scales with current as \J-J(i)\(1/2). If the dimensionless doping is low enough, the superlattice behaves as a continuum system and wave fronts are essentially shock waves whose velocity obeys an equal area rule.

Tipo de documento:Artículo
Palabras clave:Gaas-alas superlattices; Electrtic-field domains; Charge-density waves; Boundary-conditions; Propagation; Oscillations; Dynamics; Systems; Chaos
Materias:Ciencias > Física > Física matemática
Código ID:15056
Depositado:03 May 2012 09:30
Última Modificación:28 Oct 2016 08:11

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