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Induced Turbulence and the Density Structure of the Dust Layer in a Protoplanetary Disk
Taku Takeuchi, Takayuki Muto, Satoshi Okuzumi +2
We study the turbulence induced in the dust layer of a protoplanetary disk based on the energetics of dust accretion due to gas drag. We estimate turbulence strength from the energ…
Modeling Magnetorotational Turbulence in Protoplanetary Disks with Dead Zones
Satoshi Okuzumi, Shigenobu Hirose
Turbulence driven by magnetorotational instability (MRI) crucially affects the evolution of solid bodies in protoplanetary disks. On the other hand, small dust particles stabilize…
A Fast and Accurate Calculation Scheme for Ionization Degrees in Protoplanetary and Circumplanetary Disks with Charged Dust Grains
Yuri I. Fujii, Satoshi Okuzumi, Shu-ichiro Inutsuka
We develop a fast and accurate calculation method for ionization degrees in protoplanetary and circumplanetary disks including dust grains. We apply our method to calculate the ion…