Non-anomalous diffusion is not always Gaussian (Articolo in rivista)

Type
Label
  • Non-anomalous diffusion is not always Gaussian (Articolo in rivista) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1140/epjb/e2014-40956-0 (literal)
Alternative label
  • Giuseppe Forte (1); Fabio Cecconi (2); Angelo Vulpiani (1,2) (2014)
    Non-anomalous diffusion is not always Gaussian
    in The European physical journal. B, Condensed matter physics (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Giuseppe Forte (1); Fabio Cecconi (2); Angelo Vulpiani (1,2) (literal)
Pagina inizio
  • 102 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.scopus.com/inward/record.url?eid=2-s2.0-84901836627&partnerID=q2rCbXpz (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 87 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 9 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 5 (literal)
Note
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • (1). Dipartimento di Fisica, Università di Roma \"Sapienza\", P.le A. Moro 2, 00185, Roma, Italy (2). CNR-Istituto dei Sistemi Complessi (ISC), UOS \"Sapienza\", P.le A. Moro 2, 00185, Roma, Italy (literal)
Titolo
  • Non-anomalous diffusion is not always Gaussian (literal)
Abstract
  • Through the analysis of unbiased random walks on fractal trees and continuous time random walks, we show that even if a process is characterized by a mean square displacement (MSD) growing linearly with time (standard behaviour) its diffusion properties can be not trivial. In particular, we show that the following scenarios are consistent with a linear increase of MSD with time: (i) the high-order moments, ?x(t) q ? for q > 2 and the probability density of the process exhibit multiscaling; (ii) the random walk on certain fractal graphs, with non integer spectral dimension, can display a fully standard diffusion; (iii) positive order moments satisfying standard scaling does not imply an exact scaling property of the probability density. (literal)
Prodotto di
Autore CNR

Incoming links:


Autore CNR di
Prodotto
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#rivistaDi
data.CNR.it