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astro-ph2001
A powerful local shear instability in stratified disks
D. Richard, F. Hersant, O. Dauchot +3
In this paper, we show that astrophysical accretion disks are dynamically unstable to non-axisymmetric disturbances. This instability is present in any stably stratified anticyclon…
astro-ph1999
Turbulence in differentially rotating flows What can be learned from the Couette-Taylor experiment
Denis Richard, Jean-Paul Zahn
The turbulent transport of angular momentum plays an important role in many astrophysical objects, but its modelization is still far from satisfactory. We discuss here what can be…