Neutrino-driven supernovae: An accretion instability in a nuclear physics controlled environment

2004/11/12 by Hans‐Thomas Janka, H. -T. Janka, R. Buras +8 · 3 citations
Physics and Astronomy · #Gamma-ray bursts and supernovae #Neutrino Physics Research #Pulsars and Gravitational Waves Research #astro-ph

paper · pdf · doi:10.1016/j.nuclphysa.2005.05.008

published as Nucl.Phys. A758 (2005) 19-26 · 9 pages, 4 figures, contribution to Nuclei in the Cosmos 8, to appear in Nucl. Phys. A

arxiv created 2004/11/12 · openalex publication_date 2005/06/23 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/01

Abstract

New simulations demonstrate that low-mode, nonradial hydrodynamic instabilities of the accretion shock help starting hot-bubble convection in supernovae and thus support explosions by the neutrino-heating mechanism. The prevailing conditions depend on the high-density equation of state which governs stellar core collapse, core bounce, and neutron star formation. Tests of this sensitivity to nuclear physics variations are shown for spherically symmetric models. Implications of current explosion models for r-process nucleosynthesis are addressed.

Citations

• Improved Models of Stellar Core Collapse and Still No Explosions: What Is Missing?
• The Evolution and Explosion of Massive Stars. II. Explosive Hydrodynamics and Nucleosynthesis
• The evolution and explosion of massive stars
• Ther‐Process in Neutrino‐driven Winds from Nascent, “Compact” Neutron Stars of Core‐Collapse Supernovae

Cited by

• THE PHYSICS OF THE NEUTRINO MECHANISM OF CORE-COLLAPSE SUPERNOVAE
• Stability of Accretion Flows with Stalled Shocks in Core‐Collapse Supernovae
• Features of the Acoustic Mechanism of Core‐Collapse Supernova Explosions