Astronomy and Astrophysics – Astrophysics
Scientific paper
1996-06-06
Nucl.Phys. A606 (1996) 151-166
Astronomy and Astrophysics
Astrophysics
Eighteen Pages, Elsevier Elsart LaTeX format, no figures, to appear in Nucl. Phys. A, as a contribution to the Festschrift in
Scientific paper
10.1016/0375-9474(96)00232-1
New insights into the mechanism and character of core--collapse supernova explosions are transforming the approach of theorists to their subject. The universal realization that the direct hydrodynamic mechanism does not work and that a variety of hydrodynamic instabilities can influence the viability of theoretical explosions has ushered in a new era in supernova modeling. In this paper, I discuss the important physical and technical issues that remain. I review the neutrino--driven mechanism, the possible roles of Rayleigh--Taylor instabilities, questions in neutrino transport, and the various observational constraints within which theorists must operate. However, a consensus has yet to be achieved among active workers concerning many important details and some essential phenomenology. This synopsis is meant to accomplish two things: 1) to focus attention on the interesting problems whose resolution will bring needed progress, and 2) to assess the current status of the theoretical art.
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