Global Scale-Invariant Dissipation in Collisionless Plasma Turbulence - CNRS - Centre national de la recherche scientifique Accéder directement au contenu
Article Dans Une Revue Physical Review Letters Année : 2009

Global Scale-Invariant Dissipation in Collisionless Plasma Turbulence

M. W. Dunlop
  • Fonction : Auteur
Fouad Sahraoui
K. H. Kiyani
  • Fonction : Auteur
S. C. Chapman
  • Fonction : Auteur
Y. V. Khotyaintsev
  • Fonction : Auteur

Résumé

A higher-order multiscale analysis of the dissipation range of collisionless plasma turbulence is presented using in situ high-frequency magnetic field measurements from the Cluster spacecraft in a stationary interval of fast ambient solar wind. The observations, spanning five decades in temporal scales, show a crossover from multifractal intermittent turbulence in the inertial range to non-Gaussian monoscaling in the dissipation range. This presents a strong observational constraint on theories of dissipation mechanisms in turbulent collisionless plasmas.

Dates et versions

hal-01553794 , version 1 (03-07-2017)

Identifiants

Citer

M. W. Dunlop, Fouad Sahraoui, K. H. Kiyani, S. C. Chapman, Y. V. Khotyaintsev. Global Scale-Invariant Dissipation in Collisionless Plasma Turbulence. Physical Review Letters, 2009, 103, pp.075006. ⟨10.1103/PhysRevLett.103.075006⟩. ⟨hal-01553794⟩
39 Consultations
0 Téléchargements

Altmetric

Partager

Gmail Facebook X LinkedIn More