Long-tailed trapping times and Lévy flights in a self-organized critical granular system

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RECERCAT Home > Universitat de Barcelona > Física de la Matèria Condensada > Articles publicats en revistes (Física de la Matèria Condensada) > View document

To access the full text documents, please follow this link: http://hdl.handle.net/2445/13252

dc.contributor	Universitat de Barcelona
dc.contributor.author	Boguñá, Marián
dc.contributor.author	Corral, Álvaro
dc.date	2010-07-05T08:36:14Z
dc.date	2010-07-05T08:36:14Z
dc.date	1997
dc.identifier.citation	0031-9007
dc.identifier.citation	514100
dc.identifier.uri	http://hdl.handle.net/2445/13252
dc.format	4 p.
dc.format	application/pdf
dc.language.iso	eng
dc.publisher	American Physical Society
dc.relation	Reproducció digital del document proporcionada per PROLA i http://dx.doi.org/10.1103/PhysRevLett.78.4950
dc.relation	Physical Review Letters, 1997, vol. 78, núm. 26, p. 4950-4953
dc.relation	http://dx.doi.org/10.1103/PhysRevLett.78.4950
dc.rights	(c) American Physical Society, 1997
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Física estadística
dc.subject	Equacions d'estat
dc.subject	Statistical physics
dc.subject	Equations of state
dc.title	Long-tailed trapping times and Lévy flights in a self-organized critical granular system
dc.type	info:eu-repo/semantics/article
dc.type	info:eu-repo/semantics/publishedVersion
dc.description.abstract	We present a continuous time random walk model for the scale-invariant transport found in a self-organized critical rice pile [K. Christensen et al., Phys. Rev. Lett. 77, 107 (1996)]. From our analytical results it is shown that the dynamics of the experiment can be explained in terms of Lvy flights for the grains and a long-tailed distribution of trapping times. Scaling relations for the exponents of these distributions are obtained. The predicted microscopic behavior is confirmed by means of a cellular automaton model.

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