Formation of Vortices in Accretion Disks by Rossby Wave Instability

Details Formation of Vortices in Accretion Disks by Rossby Wave Instability Formation of Vortices in Accretion Disks by Rossby Wave Instability

Oct 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000head....5.0215l&link_type=abstract

American Astronomical Society, HEAD Meeting #5, #02.15; Bulletin of the American Astronomical Society, Vol. 32, p.1185

Astronomy and Astrophysics

Astronomy

Scientific paper

We present both the linear theory and nonlinear simulations of a 2D, inviscid, global and non-axisymmetric hydrodynamic instability. Large scale vortices are formed naturally as the instability develops into nonlinear regime. Efficient outward angular momentum transport is observed due to the interactions of vortices with the background Keplerian flow. These vortices are nearly corotating with the flow but counter-spinning. They also serve as natural sites of hot spots in disks as the temperature is the highest at the vortex center. We discuss how the onset of this instability gives the mass of supermassive black holes. (Supported by DOE.)

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