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Título:
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Transport and diffusion on crystalline surfaces under external forces
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Autor/a:
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Lindenberg, Katja; Lacasta Palacio, Ana María; Sancho, Jose Maria; Romero, A. H.
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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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We present a numerical study of classical particles obeying a Langevin
equation and moving on a solid crystalline surface under an external force that
may either be constant or modulated by periodic oscillations. We focus on the
particle drift velocity and diffusion. The roles of friction and equilibrium thermal
fluctuations are studied for two nonlinear dynamical regimes corresponding to
low and to high but finite friction. We identify a number of resonances and
antiresonances, and provide phenomenological interpretations of the observed
behaviour |
Abstract:
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Peer Reviewed |
Abstract:
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Materia(s):
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-Àrees temàtiques de la UPC::Física::Física de l'estat sòlid -Equations of state -Nonlinear dynamics -Transport -Diffusion -Periodic surfaces -External forces -Equacions d'estat |
Derechos:
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Tipo de documento:
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Artículo |
Editor:
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IOP Publishing
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