PhysRevLett.115.155001.pdf (1.2 MB)
0/0

Nonresonant charged particle acceleration by electrostatic wave propagating across fluctuating magnetic field

Download (1.2 MB)
journal contribution
posted on 04.11.2015 by A.V. Artemyev, Anatoly Neishtadt, Alexei Vasiliev, L.M. Zelenyi
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.

Funding

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.).

History

School

  • Science

Department

  • Mathematical Sciences

Published in

Physical Review Letters

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.

Publisher

© American Physical Society

Version

VoR (Version of Record)

Publisher statement

This work is made available according to the conditions of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) licence. Full details of this licence are available at: https://creativecommons.org/licenses/by-nc-nd/4.0/

Publication date

2015

Notes

This article was published in the journal, Physical Review Letters [© American Physical Society].

ISSN

0031-9007

Language

en

Exports

Logo branding

Keyword(s)

Exports