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| Paper: |
Non-Axisymmetric Instabilities in Core-Collapse Supernovae |
| Volume: |
352, New Horizons in Astronomy: Frank N. Bash Symposium 2005 |
| Page: |
221 |
| Authors: |
Akiyama, S.; Wheeler, J.C. |
| Abstract: |
Observations indicate that core-collapse supernova explosions are axisymmetric and bipolar in nature. A rotating core would easily give such a preferred axis of symmetry; at the same time subsequent differential rotation becomes an energy source from which magnetic fields can be amplified. A rapidly and differentially rotating core can also be unstable to non-axisymmetric instabilities, generating MHD waves that propagate through the accreting mantle. We discuss the possible effects of the rotational instabilities in the core on the mantle and the core itself. |
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