2006/03/31 by T G Yelenina, T. G. Yelenina, G. V. Ustyugova +4
Physics and Astronomy · #Astrophysics (astro-ph) #FOS: Physical sciences #Ionosphere and magnetosphere dynamics #Magnetic confinement fusion research #Solar and Space Plasma Dynamics #astro-ph
paper · pdf · doi:10.48550/arxiv.astro-ph/0603857
9 pages, 7 figures, submitted to A&A
arxiv created 2006/03/31 · openalex publication_date 2006/03/31 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
We present the results of the numerical simulations of the interaction between a magnetized star and an imperfectly conducting accretion disk. To analyze the ''star-disk'' interaction we numerically investigate the MHD equations used Godunov-type high resolution numerical method. It was found that the ''star-disk'' interaction occurs with quasi-periodic reconnection of the magnetic field coronal loops and plasmoid ejections. In the case of the perfect disk conductivity the evolution of the coronal magnetic field leads to the periodic outflow of angular momentum from the disk. In the case of an imperfectly conducting disk the configuration of the magnetic field is formed such that the disk angular momentum carried by magnetic field gets balanced by angular momentum carried by matter.