Journal article
Adiabatic description of capture into resonance and surfatron acceleration of charged particles by electromagnetic waves
Chaos (Woodbury, N.Y.), v 20(4), pp 043128-043128-13
01 Dec 2010
PMID: 21198098
Abstract
We present an analytical and numerical study of the surfatron acceleration of nonrelativistic charged particles by electromagnetic waves. The acceleration is caused by capture of particles into resonance with one of the waves. We investigate capture for systems with one or two waves and provide conditions under which the obtained results can be applied to systems with more than two waves. In the case of a single wave, the once captured particles never leave the resonance and their velocity grows linearly with time. However, if there are two waves in the system, the upper bound of the energy gain may exist and we find the analytical value of that bound. We discuss several generalizations including the relativistic limit, different wave amplitudes, and a wide range of the waves' wavenumbers. The obtained results are used for qualitative description of some phenomena observed in the Earth's magnetosphere.
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Details
- Title
- Adiabatic description of capture into resonance and surfatron acceleration of charged particles by electromagnetic waves
- Creators
- A V Artemyev - GSPA I Neishtadt - Space Research InstituteL M Zelenyi - Space Research InstituteD L Vainchtein - Space Research Institute
- Publication Details
- Chaos (Woodbury, N.Y.), v 20(4), pp 043128-043128-13
- Publisher
- American Institute of Physics (AIP)
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- C. and J. Nyheim Plasma Institute
- Web of Science ID
- WOS:000285768500037
- Scopus ID
- 2-s2.0-78650689685
- Other Identifier
- 991021861618404721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Mathematics, Applied
- Physics, Mathematical