Výsledky vyhledávání - "DRIVEN DIFFUSIVE SYSTEMS (THEORY)"

A simple non-equilibrium, statistical-physics toy model of thin-film growth

Autor: Jeremi K. Ochab, Bartlomiej Waclaw, Wolfhard Janke, Hannes Nagel

We present a simple non-equilibrium model of mass condensation with Lennard-Jones interactions between particles and the substrate. We show that when some number of particles is deposited onto the surface and the system is left to equilibrate, partic

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::661dd8a0c7735e60cfdffe84daf84c07
http://arxiv.org/abs/1506.03483

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On entropy production in nonequilibrium systems

Autor: Amos Maritan, Robert Ziener, Haye Hinrichsen

In this paper we discuss the meaning of the Schnakenberg formula for entropy production in non-equilibrium systems. To this end we consider a non-equilibrium system as part of a larger isolated system which includes the environment. We prove that the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e710ece299b2f3b21dad0ba66aaaf330

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Dynamical symmetries of Markov processes with multiplicative white noise

Autor: Leticia F. Cugliandolo, Camille Aron, Daniel G. Barci, Gustavo S. Lozano, Zochil González Arenas

We analyse various properties of stochastic Markov processes with multiplicative white noise. We take a single-variable problem as a simple example, and we later extend the analysis to the Landau-Lifshitz-Gilbert equation for the stochastic dynamics

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7610ba2ca945e166a846e4447cdd3ab8
http://arxiv.org/abs/1412.7564

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Boundary induced phase transition with stochastic entrance and exit

Autor: Mithun K. Mitra, Sakuntala Chatterjee

We study an open-chain totally asymmetric exclusion process (TASEP) with stochastic gates present at the two boundaries. The gating dynamics has been modeled with the physical system of ion-channel gating in mind. These gates can randomly switch betw

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a0b62f9fda497cb001307eb8f58c3d2c
http://arxiv.org/abs/1410.4002

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Stochastic interacting particle systems out of equilibrium

Autor: Lorenzo Bertini, Davide Gabrielli, Giovanni Jona-Lasinio, A. De Sole, Claudio Landim

This paper provides an introduction to some stochastic models of lattice gases out of equilibrium and a discussion of results of various kinds obtained in recent years. Although these models are different in their microscopic features, a unified pict

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c5d2d4d90bd885f52d9e1d6a6ec783d5
http://hdl.handle.net/11573/232119

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Dynamics versus energetics in phase separation

Autor: Paolo Politi, Alessandro Torcini

Publikováno v: Journal of statistical mechanics 2015 (2015): P03016. doi:10.1088/1742-5468/2015/03/P03016
info:cnr-pdr/source/autori:Paolo Politi and Alessandro Torcini/titolo:Dynamics versus energetics in phase separation/doi:10.1088%2F1742-5468%2F2015%2F03%2FP03016/rivista:Journal of statistical mechanics/anno:2015/pagina_da:P03016/pagina_a:/intervallo_pagine:P03016/volume:2015

Phase separation may be driven by the minimization of a suitable free energy ${\cal F}$. This is the case, e.g., for diblock copolimer melts, where ${\cal F}$ is minimized by a steady periodic pattern whose wavelength $\lambda_{GS}$ depends on the se

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a7f1299ac875a627c7bab76e7303d4a8

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Nonconventional fluctuation dissipation process in non-Hamiltonian dynamical systems

Autor: Marco Bianucci

Publikováno v: International journal of modern physics b 2015 (2015). doi:10.1142/S0217979215410040
info:cnr-pdr/source/autori:Bianucci Marco/titolo:Nonconventional fluctuation dissipation process in non-Hamiltonian dynamical systems/doi:10.1142%2FS0217979215410040/rivista:International journal of modern physics b/anno:2015/pagina_da:/pagina_a:/intervallo_pagine:/volume:2015

Here, we introduce a statistical approach derived from dynamics, for the study of the geophysical fluid dynamics phenomena characterized by a weak interaction among the variables of interest and the rest of the system. The approach is reminiscent of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3cc46e31f4013178eb7d1f28fd7f94ec
https://doi.org/10.1142/s0217979215410040

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Einstein relation in superdiffusive systems

Autor: Alessandro Sarracino, Dario Villamaina, Angelo Vulpiani, Giacomo Gradenigo

Publikováno v: Journal of statistical mechanics 2012 (2012): L06001. doi:10.1088/1742-5468/2012/06/L06001
info:cnr-pdr/source/autori:G. Gradenigo (1); A. Sarracino (1); D. Villamaina (2); A. Vulpiani (3)/titolo:Einstein relation in superdiffusive systems/doi:10.1088%2F1742-5468%2F2012%2F06%2FL06001/rivista:Journal of statistical mechanics/anno:2012/pagina_da:L06001/pagina_a:/intervallo_pagine:L06001/volume:2012
Journal of Statistical Mechanics: Theory and Experiment
Journal of Statistical Mechanics: Theory and Experiment, IOP Publishing, 2012, pp.L06001

We study the Einstein relation between diffusion and response to an external field in systems showing superdiffusion. In particular, we investigate a continuous time Levy walk where the velocity remains constant for a time \tau, with distribution P(\

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cea2f7c6c492b4d67f6820fe8494694e
http://hdl.handle.net/11591/398938

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Relaxation of Electron Spin during High-Field Transport in GaAs Bulk

Autor: Bernardo Spagnolo, D. Persano Adorno, Stefano Spezia, Nicola Pizzolato

A semiclassical Monte Carlo approach is adopted to study the multivalley spin depolarization of drifting electrons in a doped n-type GaAs bulk semiconductor, in a wide range of lattice temperature ($40
Comment: 14 pages, 6 figures

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b19fab43c3920826795ffd0d00ac3a35
http://arxiv.org/abs/1105.5716

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