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Titolo:
Motion of wave fronts in semiconductor superlattices - art. no. 036204
Autore:
Carpio, A; Bonilla, LL; DellAcqua, G;
Indirizzi:
Univ Complutense, Dept Matemat Aplicada, E-28040 Madrid, Spain Univ Complutense Madrid Spain E-28040 at Aplicada, E-28040 Madrid, Spain Univ Carlos III Madrid, Escuela Politecn Super, Dept Matemat, Leganes 28911, Spain Univ Carlos III Madrid Leganes Spain 28911 Matemat, Leganes 28911, Spain CSIC, Inst Ciencia Mat, Unidad Asociada, E-28049 Madrid, Spain CSIC Madrid Spain E-28049 ia Mat, Unidad Asociada, E-28049 Madrid, Spain
Titolo Testata:
PHYSICAL REVIEW E
fascicolo: 3, volume: 6403, anno: 2001,
parte:, 2
pagine: 6204 -
SICI:
1063-651X(200109)6403:3<6204:MOWFIS>2.0.ZU;2-D
Fonte:
ISI
Lingua:
ENG
Soggetto:
GAAS-ALAS SUPERLATTICES; ELECTRIC-FIELD DOMAINS; CHARGE-DENSITY WAVES; GAAS/ALAS SUPERLATTICES; BOUNDARY-CONDITIONS; DISCRETE; OSCILLATIONS; PROPAGATION; DYNAMICS; SYSTEM;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
--discip_EC--
Citazioni:
38
Recensione:
Indirizzi per estratti:
Indirizzo: Carpio, A Univ Complutense, Dept Matemat Aplicada, E-28040 Madrid, Spain Univ Complutense Madrid Spain E-28040 a, E-28040 Madrid, Spain
Citazione:
A. Carpio et al., "Motion of wave fronts in semiconductor superlattices - art. no. 036204", PHYS REV E, 6403(3), 2001, pp. 6204

Abstract

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.

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Documento generato il 04/12/20 alle ore 22:47:57