How Efficient Is the Streaming Instability in Viscous Protoplanetary Disks?

The streaming instability is a popular candidate for planetesimal formation by concentrating dust particles to trigger gravitational collapse. However, its robustness against the physical conditions expected in protoplanetary disks is unclear. In particular, particle stirring by turbulence may imped...

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Veröffentlicht in:	The Astrophysical journal 2020-03, Vol.891 (2), p.132
Hauptverfasser:	Chen, Kan, Lin, Min-Kai
Format:	Artikel
Sprache:	eng
Schlagworte:	Alpha rays Astrophysics Celestial bodies Compressibility Diffusion Diffusion effects Diffusion rate Disks Dust Dust particles Exoplanet formation Extrasolar planets Gas viscosity Gravitational collapse Hydrodynamics Instability Particle diffusion Planet formation Planetesimals Protoplanetary disks Protoplanets Solar corona Solar nebula Space telescopes Stability Stokes number Turbulence Viscosity
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