Browsing by Author "Josserand, Christophe"
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Josserand, Christophe; Pomeau, Yves; Rica, Sergio (2007)The mechanical behavior of a supersolid is studied in the framework of a fully explicit model derived from the Gross-Pitaevskii equation without assuming any defect or vacancy. A set of coupled nonlinear partial differential ...
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Connaughton, Colm; Josserand, Christophe; Picozzi, Antonio; Pomeau, Yves; Rica, Sergio (AMERICAN PHYSICAL SOC, 2005-12-31)We study the formation of a large-scale coherent structure (a condensate) in classical wave equations by considering the defocusing nonlinear Schrodinger equation as a representative model. We formulate a thermodynamic ...
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Josserand, Christophe; Pomeau, Yves; Rica, Sergio (SPRINGER/PLENUM PUBLISHERS, 2006-11)In this article, we review how a condensate builds-up infinite time, by a self-similar blow-up of the solution of three different models of kinetic equations. After the blow-up time, the growth of the coherent phase is ...
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Düring, Gustavo; Josserand, Christophe; Rica, Sergio (AMERICAN PHYSICAL SOC, 2006-07-14)We study the long-time evolution of waves of a thin elastic plate in the limit of small deformation so that modes of oscillations interact weakly. According to the theory of weak turbulence (successfully applied in the ...