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 . doi:10.1103/PhysRevLett.103.075006 ISSN 0031-9007.

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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, Engineering and Medicine > 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:	4
Page Range:	Article no. 075006
DOI:	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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