Mutual nonlinear interaction between two kinetic Alfven waves and its effect on filamentation: Applications to solar wind and coronal heating

Anita Shukla; R. P. Sharma

doi:10.1029/2001ja009135

journal article Nov 01, 2002

Mutual nonlinear interaction between two kinetic Alfven waves and its effect on filamentation: Applications to solar wind and coronal heating

Anita Shukla R. P. Sharma

Journal of Geophysical Research: Oceans Vol. 107 No. A11 · American Geophysical Union (AGU)

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Abstract

This paper presents the model equations governing the mutual nonlinear interaction between two small but finite amplitude kinetic Alfven waves using two fluid models when the β of the plasma is less than unity (for high‐β cases one has to use the Boltzmann equation). The source of nonlinearity is the nonlinear electron heating and ponderomotive force‐driven nonlinear modification in the background density. The solutions of these model equations have been obtained by using analytical and numerical methods to study the effect of their mutual interaction on filament (hot spot) formation. It is concluded that the threshold field required for filament formation and their critical size is significantly affected by the mutual nonlinear interaction. Its effect on solar wind turbulence and coronal heating is also pointed out.

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Time dependent evolution of linear kinetic Alfvén waves in inhomogeneous plasma

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24

Citations

27

References

Details

Published: Nov 01, 2002
Vol/Issue: 107(A11)
License: View

Authors

A

Anita Shukla

Centre for Energy Studies Indian Institute of Technology Delhi New Delhi India

R

R. P. Sharma

Centre for Energy Studies Indian Institute of Technology Delhi New Delhi India

Cite This Article

Anita Shukla, R. P. Sharma (2002). Mutual nonlinear interaction between two kinetic Alfven waves and its effect on filamentation: Applications to solar wind and coronal heating. Journal of Geophysical Research: Oceans, 107(A11). https://doi.org/10.1029/2001ja009135

Mutual nonlinear interaction between two kinetic Alfven waves and its effect on filamentation: Applications to solar wind and coronal heating

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