Simple model for nonexponential relaxation in complex fluids

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dc.contributor	Universitat de Barcelona
dc.contributor.author	Pérez Madrid, Agustín
dc.date	2011-07-07T12:52:48Z
dc.date	2011-07-07T12:52:48Z
dc.date	2004
dc.identifier.citation	1063-651X
dc.identifier.citation	517479
dc.identifier.uri	http://hdl.handle.net/2445/18790
dc.format	3 p.
dc.format	application/pdf
dc.language.iso	eng
dc.publisher	The American Physical Society
dc.relation	Reproducció del document publicat a: http://dx.doi.org/10.1103/PhysRevE.69.062102
dc.relation	Physical Review E, 2004, vol. 69, núm. 6, p. 062102-1-062102-3
dc.relation	http://dx.doi.org/10.1103/PhysRevE.69.062102
dc.rights	(c) American Physical Society, 2004
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Sistemes no lineals
dc.subject	Física matemàtica
dc.subject	Transformacions de fase (Física estadística)
dc.subject	Nonlinear systems
dc.subject	Mathematical physics
dc.subject	Phase transformations (Statistical physics)
dc.title	Simple model for nonexponential relaxation in complex fluids
dc.type	info:eu-repo/semantics/article
dc.type	info:eu-repo/semantics/publishedVersion
dc.description.abstract	The nonexponential relaxation occurring in complex dynamics manifested in a wide variety of systems is analyzed through a simple model of diffusion in phase space. It is found that the inability of the system to find its equilibrium state in any time scale becomes apparent in an effective temperature field, which leads to a hierarchy of relaxation times responsible for the slow relaxation phenomena.