This article is cited in 8 papers

On the 60th birthday of professor V.V. Kozlov

Regular and chaotic charged particle dynamics in low frequency waves and role of separatrix crossings

A. I. Neishtadt^ab, A. V. Artemyev^a, L. M. Zelenyi<sup>a

a</sup> Space Research Institute (IKI), Profsoyuznaya ul. 84/32, Moscow 117997, Russia
^b Dept. of Math. Sciences, Loughborough University, Loughborough, Leicestershire LE11 3TU, UK

Abstract: We consider interaction of charged particles with an electromagnetic (electrostatic) low frequency wave propagating perpendicular to a uniform background magnetic field. The effects of particle trapping by the wave and further acceleration of a surfatron type are discussed in details. Method for this analysis based on the adiabatic theory of separatrix crossing is used. It is shown that particle can unlimitedly accelerate in the trapping in electromagnetic waves and energy of particle does not increase for the system with electrostatic wave.

Keywords: surfatron acceleration, separatrix crossings, adiabatic invariant.

MSC: 70H11, 70K55, 70K70, 37N05

Received: 08.11.2009
Accepted: 22.11.2010

Language: English

DOI: 10.1134/S1560354710040118

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