Heating of the solar corona by dissipative Alfvén solitons

Solar photospheric convection drives myriads of dissipative Alfvén solitons (hereinafter called alfvenons) capable of accelerating electrons and ions to energies of hundreds of keV and producing the x-ray corona. Alfvenons are exact solutions of two-fluid equations for a collisionless plasma and rep...

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Bibliographic Details
Published in:Physical review letters 2006-05, Vol.96 (17), p.175003-175003, Article 175003
Main Author: Stasiewicz, K
Format: Article
Language:English
Subjects:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
ALFVEN WAVES
COLLISIONLESS PLASMA
ELECTRONS
EQUATIONS
EXACT SOLUTIONS
IONS
KEV RANGE 10-100
KEV RANGE 100-1000
KINETIC ENERGY
PLASMA HEATING
PLASMA WAVES
SOLAR CORONA
SOLITONS
X RADIATION
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Summary:Solar photospheric convection drives myriads of dissipative Alfvén solitons (hereinafter called alfvenons) capable of accelerating electrons and ions to energies of hundreds of keV and producing the x-ray corona. Alfvenons are exact solutions of two-fluid equations for a collisionless plasma and represent natural accelerators for conversion of the electromagnetic energy flux driven by convective flows into kinetic energy of charged particles in space and astrophysical plasmas. Their properties have been experimentally verified in the magnetosphere, where they accelerate auroral electrons to tens of keV.
ISSN:0031-9007
1079-7114
DOI:10.1103/physrevlett.96.175003