Core-Collapse Supernova Mechanisms and their Signature in Gravitational Waves

Details Core-Collapse Supernova Mechanisms and their Signature in Gravitational Waves Core-Collapse Supernova Mechanisms and their Signature in Gravitational Waves

Apr 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aps..apr.s4001o&link_type=abstract

American Physical Society, 2008 APS April Meeting and HEDP/HEDLA Meeting, April 11-15, 2008, abstract #S4.001

Physics

Scientific paper

Despite many decades of concerted theoretical effort and numerical modeling, the details of the core-collapse supernova explosion mechanism are still under debate. Indications are strong that the supernova mechanism is intrinsically multi-dimensional and involves (a combination of) postbounce energy deposition by neutrinos, convective instability, the standing-accretion-shock instability (SASI), unstable protoneutron star core g-mode oscillations, rotation, magneto-hydrodynamic effects, and nuclear burning. I review the current status of core-collapse supernova theory and modeling and introduce the ensemble of viable candidate explosion mechanisms that is emerging from recent multi-dimensional core collapse and postbounce supernova models. I go on to discuss gravitational-wave emission processes in core-collapse supernovae and present new results on the supernova gravitational-wave signature that were obtained with 2D/3D general relativistic and Newtonian simulations. I demonstrate how gravitational radiation from a core-collapse supernova observed by current and future detectors could be used to constrain the core-collapse supernova explosion mechanism.

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