Convective instability induced by nonlocality in nonlinear diffusive systems

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Title:	Convective instability induced by nonlocality in nonlinear diffusive systems
Authors:	Papoff, Francesco; Zambrini, Roberta
Keywords:	Nonlinear systems Random noise [PACS] Dynamics of nonlinear optical systems including optical instabilities, optical chaos and complexity, and optical spatio–temporal dynamics [PACS] Noise (statistical physics) [PACS] Nonlinear dynamics and nonlinear dynamical systems [PACS] Patterns
Issue Date:	23-Jun-2005
Publisher:	American Physical Society
Citation:	Physical Review Letters 94, 243903 (1-4) (2005)
Abstract:	We consider a large class of nonlinear diffusive systems with nonlocal coupling. By using a nonperturbative analytical approach we are able to determine the convective and absolute instabilities of all the uniform states of these systems. We find a huge window of convective instability that should provide a great opportunity to study experimentally and heoretically noise sustained patterns.
Description:	4 pages, 5 figures.-- PACS nrs.: 42.65.Sf, 05.40.Ca, 05.45.-a, 89.75.Kd.-- ArXiv pre-print available: http://cn.arxiv.org/abs/nlin.PS/0503064
Publisher version (URL):	http://dx.doi.org/10.1103/PhysRevLett.94.243903
URI:	http://hdl.handle.net/10261/7494
DOI:	10.1103/PhysRevLett.94.243903
ISSN:	0031-9007
Appears in Collections:	(IFISC) Artículos

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