Ion dynamics in multiple electrostatic waves in a magnetized plasma. II. Enhancement of the acceleration

D. Bénisti; A. K. Ram; A. Bers

doi:10.1063/1.872990

journal article Sep 01, 1998

Ion dynamics in multiple electrostatic waves in a magnetized plasma. II. Enhancement of the acceleration

D. Bénisti A. K. Ram A. Bers

Physics of Plasmas Vol. 5 No. 9 pp. 3233-3241 · AIP Publishing

View at Publisher Save 10.1063/1.872990

Abstract

The maximal energy an ion can gain from a discrete spectrum of electrostatic waves propagating perpendicularly to a uniform magnetic field is investigated. In the case when the wave spectrum contains at least two on-resonance waves, the ion is shown to reach energies which are much higher than in the case of one wave. When the ion energization is enhanced, even when the ion motion is not coherent, the ion orbit remains close to orbits found from a first order perturbation analysis. This implies that, unlike in the case of a single wave, the ion can reach high energies regardless of how small the wave amplitudes are. The dependence of the ion energization on the wave spectrum characteristics is described in great detail by deriving the extent, in action, of the first order orbits, and the way these orbits may connect.

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References

12

[1]

J. Geophys. Res. (1992) 10.1029/92ja01526

[2]

J. Geophys. Res. (1998) 10.1029/97ja03668

[3]

Phys. Plasmas (1998) 10.1063/1.872989

[4]

Phys. Rev. Lett. (1977) 10.1103/physrevlett.39.550

[5]

Phys. Fluids (1978) 10.1063/1.862406

[6]

Stochastic ion heating by a lower hybrid wave: II

Charles F. F. Karney

The Physics of Fluids 1979 10.1063/1.862512

[7]

Phys. Rev. Lett. (1977) 10.1103/physrevlett.38.701

[8]

[9]

Phys. Lett. A (1997) 10.1016/s0375-9601(97)00454-4

[10]

Phys. Rep. (1981) 10.1016/0370-1573(81)90175-7

[11]

Physica D (1988) 10.1016/0167-2789(88)90055-3

[12]

Comments Plasma Phys. Control. Fusion (1989)

Metrics

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Citations

12

References

Details

Published: Sep 01, 1998
Vol/Issue: 5(9)
Pages: 3233-3241

Authors

D

D. Bénisti

Plasma Science and Fusion Center, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139

A

A. K. Ram

Plasma Science and Fusion Center, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139

A

A. Bers

Plasma Science and Fusion Center, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139

Cite This Article

D. Bénisti, A. K. Ram, A. Bers (1998). Ion dynamics in multiple electrostatic waves in a magnetized plasma. II. Enhancement of the acceleration. Physics of Plasmas, 5(9), 3233-3241. https://doi.org/10.1063/1.872990

Ion dynamics in multiple electrostatic waves in a magnetized plasma. II. Enhancement of the acceleration

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