MHD Waves in Homogeneous Plasmas (P30)

Details MHD Waves in Homogeneous Plasmas (P30) MHD Waves in Homogeneous Plasmas (P30)

Nov 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006ihy..worke.122p&link_type=abstract

2nd UN/NASA Workshop on International Heliophysical Year and Basic Space Science. Proceedings of the conference held 27 Novembe

Astronomy and Astrophysics

Astrophysics

Scientific paper

We show that a general dispersion relation for MHD waves in homogeneous plasmas is always a six-order polynomial. Taking account of viscosity and thermal conductivity as damping mechanisms, we present its solutions for all the three MHD modes: slow, fast and thermal. We note that thermal mode is excited only when thermal conductivity is present. The damping of both slow and fast mode waves depends on the plasma physical parameters, such as density, temperature, magnetic field and orientation of the background magnetic field. We discuss the consequences of our results to the coronal heating problem.

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