Reflection Coefficient and Non-WKB Effects for Alfven Waves Propagating in the Solar Wind

Details Reflection Coefficient and Non-WKB Effects for Alfven Waves Propagating in the Solar Wind Reflection Coefficient and Non-WKB Effects for Alfven Waves Propagating in the Solar Wind

Jan 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998aca....48...77k&link_type=abstract

Acta Astronomica, v.48, pp.77-90, (1998).

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4

Solar Wind, Magnetohydrodynamics (Mhd)

Scientific paper

The propagation of Alfven waves in spherically symmetric, isothermal solar wind models with two different temperatures T_0=2.85 times 10^6 K and T_0=8.2 times 10^5 K is considered. The steady-state Alfven wave equations are solved numerically and the resulting reflection coefficient and non-WKB effects are calculated. The obtained results show that the reflection coefficient is practically zero in the high-temperature wind model, where wave reflection and non-WKB effects are essentially absent, and that it can also be zero in the low-temperature model, where wave reflection and non-WKB effects are present. A physical explanation of these results is given.

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