Stratified disks are locally stable

2001/10/09 by Jeremy Goodman Steven A. Balbus, Balbus, Jeremy Goodman Steven A.
Physics and Astronomy · #Astro and Planetary Science #Astrophysics and Star Formation Studies #Stellar, planetary, and galactic studies #astro-ph

paper · pdf · doi:10.48550/arxiv.astro-ph/0110229

3 pages, no figures. Uses aa.cls

arxiv created 2001/10/09 · arxiv updated 2009/12/01

Abstract

Notwithstanding recent claims by Richard et al., there is no linear hydrodynamic instability of axisymmetrically stable disks in the local limit. We prove this by means of an exact stability analysis of an unbounded incompressible flow having constant stratification and constant shear.

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