Particle Acceleration by Turbulent Magnetohydrodynamic Reconnection | Zendy

W. H. Matthaeus | Zendy; John Ambrosiano | Zendy; M. L. Goldstein | Zendy

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Particle Acceleration by Turbulent Magnetohydrodynamic Reconnection

Author(s) -

W. H. Matthaeus,

John Ambrosiano,

M. L. Goldstein

Publication year - 1984

Publication title -

physical review letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.688

H-Index - 673

eISSN - 1079-7114

pISSN - 0031-9007

DOI - 10.1103/physrevlett.53.1449

Subject(s) - physics , magnetohydrodynamic drive , magnetic reconnection , particle acceleration , magnetohydrodynamic turbulence , test particle , turbulence , acceleration , electric field , magnetic field , magnetohydrodynamics , gyroradius , mechanics , pinch , particle (ecology) , computational physics , classical mechanics , quantum electrodynamics , nuclear physics , quantum mechanics , oceanography , geology

Test particles in a two dimensional, turbulent MHD simulation are found to undergo significant acceleration. The magnetic field configuration is a periodic sheet pinch which undergoes reconnection. The test particles are trapped in the reconnection region for times of order an Alfven transit time in the large electric fields that characterize the turbulent reconnection process at the relatively large magnetic Reynolds number used in the simulation. The maximum speed attained by these particles is consistent with an analytic estimate which depends on the reconnection electric field, the Alfven speed, and the ratio of Larmor period to the Alfven transit time.

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