Título:
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Solitary-wave dynamics in extrinsic semiconductors under dc voltage bias
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Autor/a:
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Rodríguez Cantalapiedra, Inma; Bonilla, Luis L.; Bergmann, Michael J.; Teitsworth, Stephen W.
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Otros autores:
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Universitat Politècnica de Catalunya. Departament de Física Aplicada; Universitat Politècnica de Catalunya. NOLIN - Física No-Lineal i Sistemes Fora de l'Equilibri |
Abstract:
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Numerical-simulation results are presented for a simple drift-diffusion model which describes timedependent
and nonlinear electrical transport properties of extrinsic semiconductors under timeindependent
(dc) voltage bias. Simulations for finite-length samples with Ohmic boundary conditions
yield dynamically stable solitary space-charge waves that travel periodically across the sample. Numerical
estimates of wave speed, the wave size, and onset phenomena are in excellent agreement with recent
experiments in p-type germanium. |
Abstract:
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Peer Reviewed |
Materia(s):
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-Àrees temàtiques de la UPC::Matemàtiques i estadística::Equacions diferencials i integrals -Dynamics -High-field and nonlinear effects -Nonlinearity, bifurcation, and symmetry breaking -Dinàmica molecular |
Derechos:
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Tipo de documento:
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Artículo - Versión publicada Artículo |
Editor:
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American Physical Society
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Compartir:
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