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Title: Nonresonant charged particle acceleration by electrostatic wave propagating across fluctuating magnetic field
Authors: Artemyev, A.V.
Neishtadt, Anatoly
Vasiliev, Alexei
Zelenyi, L.M.
Issue Date: 2015
Publisher: © American Physical Society
Citation: ARTEMYEV, A.V. ... et al, 2015. Nonresonant charged particle acceleration by electrostatic wave propagating across fluctuating magnetic field. Physical Review Letters, 115 (15), 155001.
Abstract: In this Letter, we demonstrate the effect of nonresonant charged-particle acceleration by an electrostatic wave propagating across the background magnetic field. We show that in the absence of resonance (i.e., when particle velocities are much smaller than the wave phase velocity) particles can be accelerated by electrostatic waves provided that the adiabaticity of particle motion is destroyed by magnetic field fluctuations. Thus, in a system with stochastic particle dynamics the electrostatic wave should be damped even in the absence of Landau resonance. The proposed mechanism is responsible for the acceleration of particles that cannot be accelerated via resonant wave-particle interactions. Simplicity of this straightforward acceleration scenario indicates a wide range of possible applications.
Description: This article was published in the journal, Physical Review Letters [© American Physical Society].
Sponsor: The work was supported by the RFBR # 13-01-00251 (A.V.A. and A.A.V.), and by Leading Scienti c Schools project NSh-2964.2014.1 (A.I.N.).
Version: Published
DOI: 10.1103/PhysRevLett.115.155001
URI: https://dspace.lboro.ac.uk/2134/19267
Publisher Link: http://dx.doi.org/10.1103/PhysRevLett.115.155001
ISSN: 0031-9007
Appears in Collections:Published Articles (Maths)

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