Effects of Rotation on the Revival of a Stalled Shock in Supernova Explosions

Details Effects of Rotation on the Revival of a Stalled Shock in Supernova Explosions Effects of Rotation on the Revival of a Stalled Shock in Supernova Explosions

Mar 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006jphcs..31..149y&link_type=abstract

Journal of Physics: Conference Series, Volume 31, Issue 1, pp. 149-150 (2006).

Physics

Scientific paper

In order to infer the effects of rotation on the revival of a stalled shock in supernova explosions, we investigated steady accretion flows with a standing shock. We first confirmed the results of preceding papers that, for a given mass accretion rate, there is a critical luminosity of irradiating neutrinos, above which there exists no steady solution. We can identify the critical luminosity as the one, at which the stalled shock revives. If a collapsing star rotates, the accretion flow is non-spherical due to centrifugal forces. Flows are accelerated near the rotation axis whereas they are decelerated near the equatorial plane. As a result, the critical luminosity is lowered, that is, rotation assists the revival of a stalled shock.

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