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Instability of anomalous viscosity disks around young stellar objects
Published online by Cambridge University Press: 01 June 2007
Abstract
An accretion disk with vertical structure around a young stellar object is investigated, considering anomalous magnetic viscosity. It was found that the I-mode was unstable in the outer disk, and sometimes turned stable in the inner disk, for the standard α model. However, we find that the I-mode is always unstable in the inner disk, owing to the anomalous magnetic viscosity.
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