On the dispersion of ion cyclotron waves in H sup + -He sup ++ solar wind-like magnetized plasmas

Journal Article · Fri Apr 01 04:00:00 EST 1988 · Journal of Geophysical Research; (United States)

DOI:https://doi.org/10.1029/JA093iA04p02533· OSTI ID:6095937

Cuperman, S ^[1]; Ofman, L ^[2]; Dryer, M ^[3]

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1. Tel Aviv Univ. (Israel) NOAA, Boulder, CO (United States)
2. Tel Aviv Univ. (Israel)
3. NOAA, Boulder, CO (United States)

The authors investigate by computer simulation experiments the nonlinear behavior of mixed H{sup +}-He{sup ++} plasma systems under the particular physical conditions found by the linear theory to allow the parallel propagation of only weakly damped electromagnetic ion cyclotron waves at the alpha particle cyclotron frequency. Here the waves are generated by anisotropic proton populations. The essentially nonlinear results of the computer simulations indicate a strong damping of the parallel propagating electromagnetic ion cyclotron waves and a significant dip in the energy spectrum, both centered at about {omega} = {Omega}{sub chi}.

• OSTI ID: 6095937
• Journal Information: Journal of Geophysical Research; (United States), Journal Name: Journal of Geophysical Research; (United States) Vol. 93:A4; ISSN 0148-0227; ISSN JGREA
• Country of Publication: United States
• Language: English

Related Subjects

661320* -- Auroral
Ionospheric
& Magnetospheric Phenomena-- (1992-)
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
ACCELERATION
ALPHA PARTICLES
BARYONS
CHARGED PARTICLES
COMPUTERIZED SIMULATION
CYCLOTRON FREQUENCY
DAMPING
DISPERSION RELATIONS
ELEMENTARY PARTICLES
ENERGY SPECTRA
FERMIONS
HADRONS
HEATING
ION WAVES
IONIC COMPOSITION
NONLINEAR PROBLEMS
NUCLEONS
PLASMA
PLASMA WAVES
PROTONS
SIMULATION
SOLAR ACTIVITY
SOLAR WIND
SPECTRA
WAVE PROPAGATION