2017/05/09 by S. Fromang, Geoffroy Lesur, Fromang, Sébastien +1 · 1 citation
Earth and Planetary Sciences · Materials Science · Physics and Astronomy · #High-pressure geophysics and materials #Diamond and Carbon-based Materials Research #Astrophysics and Star Formation Studies
paper · pdf · doi:10.48550/arxiv.1705.03319
The radial transport of angular momentum in accretion disk is a fundamental\nprocess in the universe. It governs the dynamical evolution of accretion disks\nand has implications for various issues ranging from the formation of planets\nto the growth of supermassive black holes. While the importance of magnetic\nfields for this problem has long been demonstrated, the existence of a source\nof transport solely hydrodynamical in nature has proven more difficult to\nestablish and to quantify. In recent years, a combination of results coming\nfrom experiments, theoretical work and numerical simulations has dramatically\nimproved our understanding of hydrodynamically mediated angular momentum\ntransport in accretion disk. Here, based on these recent developments, we\nreview the hydrodynamical processes that might contribute to transporting\nangular momentum radially in accretion disks and highlight the many questions\nthat are still to be answered.\n