Acoustic Wave Dynamics in the Post-Bounce Phase of Core Collapse Supernovae

Details Acoustic Wave Dynamics in the Post-Bounce Phase of Core Collapse Supernovae Acoustic Wave Dynamics in the Post-Bounce Phase of Core Collapse Supernovae

Oct 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aps..ses.ha046h&link_type=abstract

American Physical Society, 75th Annual Meeting of the Southeastern Section of APS, October 30-November 1, 2008, abstract #HA.046

Physics

Scientific paper

How a core collapse supernova successfully ``explodes'' is only partially understood. Computer models indicate that the accretion shock wave stalls around 200 km from the newly formed proto-neutron star. Despite the abundance of energy from the gravitational collapse and theories predicting how this energy might reenergize the accretion shock, simulations still fail to produce a robust explosion. Hydrodynamic models play an important role in this analysis. Using hydrodynamic modeling, I will describe the nature of acoustic waves driven by the proto-neutron star and the dissipation of thermal energy by these waves into the critical ``Gain Region.'' Using the criteria for a successful explosion laid out by Janka in 2001, I will then describe the impact that this energy has on a successful restart of the stalled accretion shock.

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