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astro-ph.EP2025
Convective Overstability in Radially Global Protoplanetary Disks. II. Impact on planetesimal formation
Marius Lehmann, Min-Kai Lin
The Convective Overstability (COS) is a hydrodynamic instability occurring in protoplanetary disk (PPD) regions with an adverse radial entropy gradient. It is a potential driver of…
astro-ph.EP2025
Dust dynamics in radially convective regions of protoplanetary disks
Min-Kai Lin, Marius Lehmann
Hydrodynamic instabilities likely operate in protoplanetary disks. One candidate, Convective Overstability (COS), can be triggered in regions with a negative radial entropy gradien…