Rayleigh-Taylor driven supernova explosions - A two-dimensional numerical study

Details Rayleigh-Taylor driven supernova explosions - A two-dimensional numerical study Rayleigh-Taylor driven supernova explosions - A two-dimensional numerical study

Jun 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980apj...238l.139l&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor, vol. 238, June 15, 1980, p. L139-L143. Research supported by the U.S. Dep

Astronomy and Astrophysics

Astrophysics

35

Rayleigh Waves, Stellar Models, Supernovae, Taylor Instability, Equations Of State, Gravitational Collapse, Mathematical Models, Neutrinos

Scientific paper

A two-dimensional numerical hydrodynamic study shows that a Rayleigh-Taylor unstable gradient, which can develop after the bounce of a collapsing stellar core, gives rise to a dramatic, large-scale l = 2 overturn of the whole core. The unstable pressure gradient in these calculations is artificially weak because the equation of state used causes an early bounce at low density. A more dramatic overturn with greater kinetic and neutrino energy release is to be expected with recent equations of state, given sufficient time to reduce diffusively and convectively any transient shock-produced entropy-stabilizing gradients.

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