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Local Stability and Global Instability in Iron-opaque Disks
2017
Astrophysical Journal
The thermal stability of accretion disk and the possibility to see a limit-cycle behaviour strongly depends on the ability of the disk plasma to cool down. Various processes connected with radiation-matter interaction appearing in hot accretion disk plasma contribute to opacity. For the case of geometrically thin and optically thick accretion disk, we can estimate the influence of several different components of function \kappa, given by the Roseland mean. In the case of high temperatures, the
doi:10.3847/1538-4357/aa7dd9
fatcat:wkyyta55svcuhpghgkll6mlnya