Nonlinear interaction of dispersive Alfven waves and magnetosonic waves in space plasma

Journal Article · Sun Mar 15 00:00:00 EDT 2009 · Physics of Plasmas

DOI:https://doi.org/10.1063/1.3074788· OSTI ID:21274188

Sharma, R P; Kumar, Sanjay; Singh, H D ^[1]

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1. Centre for Energy Studies, Indian Institute of Technology, Delhi 110016 (India)

This paper presents the model equations governing the nonlinear interaction between dispersive Alfven wave (DAW) and magnetosonic wave in the low-{beta} plasmas ({beta}<<m{sub e}/m{sub i}; known as inertial Alfven waves) applicable to solar corona and intermediate-{beta} plasmas (m{sub e}/m{sub i}<<{beta}<<1; known as kinetic Alfven waves) applicable to solar wind in Earth's magnetosphere. When the ponderomotive nonlinearities are incorporated in the DAW dynamics, the model equations of DAW and magnetosonic wave turn out to be a modified Zakharov system of equations. Numerical solution of the problem has been obtained when the incident pump kinetic Alfven wave/inertial Alfven wave is having a small perturbation.

• OSTI ID: 21274188
• Journal Information: Physics of Plasmas, Vol. 16, Issue 3; Other Information: DOI: 10.1063/1.3074788; (c) 2009 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 1070-664X
• Country of Publication: United States
• Language: English

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
ALFVEN WAVES
LOW-BETA PLASMA
MAGNETOACOUSTIC WAVES
NONLINEAR PROBLEMS
SOLAR CORONA
SOLAR WIND