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Global scale-invariant dissipation in collisionless plasma turbulence

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Kiyani, K., Chapman, Sandra C., Khotyaintsev, Yu. V., Dunlop, M. W. and Sahraoui, F.. (2009) Global scale-invariant dissipation in collisionless plasma turbulence. Physical Review Letters, Vol.103 (No.7). Article no. 075006 . ISSN 0031-9007

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Official URL: http://dx.doi.org/10.1103/PhysRevLett.103.075006

Abstract

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 mono-scaling in the dissipation range. This presents a strong observational constraint on theories of dissipation mechanisms in turbulent collisionless plasmas.

Item Type:

Journal Article

Subjects:

Q Science > QB Astronomy
Q Science > QC Physics

Divisions:

Faculty of Science > Physics

Library of Congress Subject Headings (LCSH):

Collisionless plasmas, Plasma turbulence, Magnetohydrodynamics, Magnetic fields, Solar wind, Anisotropy

Journal or Publication Title:

Physical Review Letters

Publisher:

American Physical Society

ISSN:

0031-9007

Official Date:

14 August 2009

Dates:

Date	Event
14 August 2009	Published

Volume:

Vol.103

Number:

No.7

Number of Pages:

Page Range:

Article no. 075006

Identification Number:

10.1103/PhysRevLett.103.075006

Status:

Peer Reviewed

Publication Status:

Published

Access rights to Published version:

Restricted or Subscription Access

Funder:

Science and Technology Facilities Council (Great Britain) (STFC)

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