Abstract
Radiation magnetohydrodynamic (RMHD) theory is presented in the nonequilibrium diffusion grey radiation limit. Basic set of equations is perturbed to find the dispersion relation of small amplitude (linear) waves in RMHD plasma. It is found that magnetoacoustic waves have dispersion and damping in the RMHD plasma. It is also concluded that for very long wavelength magnetosonic mode, to create wave motion in the medium the restoring force is provide the radiation pressure and inertia is provided by matter. The effects of radiation energy, diffusivity and plasma beta on the dispersion and damping of magnetoacoustic mode in RMHD plasma are shown in the form of graphs. The model is applicable to the stellar atmosphere.
Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
