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Growth of unstable interfaces in disordered media

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dc.creator Lacasta Palacio, Ana María
dc.creator Ramírez Piscina, Laureano
dc.creator Casademunt i Viader, Jaume
dc.creator Hernández Machado, Aurora
dc.creator Rodríguez Díaz, Miguel Ángel
dc.date 2011-07-07T12:51:11Z
dc.date 2011-07-07T12:51:11Z
dc.date 1998
dc.date.accessioned 2024-12-16T10:27:19Z
dc.date.available 2024-12-16T10:27:19Z
dc.identifier 1539-3755
dc.identifier http://hdl.handle.net/2445/18715
dc.identifier 145938
dc.identifier.uri http://fima-docencia.ub.edu:8080/xmlui/handle/123456789/22254
dc.description The effects of a disordered medium in the growth of unstable interfaces are studied by means of two local models with multiplicative and additive quenched disorder, respectively. For short times and large pushing the multiplicative quenched disorder is equivalent to a time-dependent noise. In this regime, the linear dispersion relation contains a destabilizing contribution introduced by the noise. For long times, the interface always gets pinned. We model the systematics of the pinned shapes by means of an effective nonlinear model. These results show good agreement with numerical simulations. For the additive noise we find numerically that a depinning transition occurs.
dc.format 7 p.
dc.format application/pdf
dc.language eng
dc.publisher The American Physical Society
dc.relation Reproducció del document publicat a: http://dx.doi.org/10.1103/PhysRevE.57.5754
dc.relation Physical Review E, 1998, vol. 57, núm. 5, p. 1459-1464
dc.relation http://dx.doi.org/10.1103/PhysRevE.57.5754
dc.rights (c) The American Physical Society, 1998
dc.rights info:eu-repo/semantics/openAccess
dc.source Articles publicats en revistes (Física Quàntica i Astrofísica)
dc.subject Física estadística
dc.subject Termodinàmica
dc.subject Sistemes dinàmics diferenciables
dc.subject Superfícies (Física)
dc.subject Interfícies (Ciències físiques)
dc.subject Nanotecnologia
dc.subject Statistical physics
dc.subject Thermodynamics
dc.subject Differentiable dynamical systems
dc.subject Surfaces (Physics)
dc.subject Interfaces (Physical sciences)
dc.subject Nanotechnology
dc.title Growth of unstable interfaces in disordered media
dc.type info:eu-repo/semantics/article
dc.type info:eu-repo/semantics/publishedVersion


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