Astronomy and Astrophysics – Astrophysics
Scientific paper
Mar 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980phrvl..44..832s&link_type=abstract
Physical Review Letters, vol. 44, Mar. 24, 1980, p. 832-835.
Astronomy and Astrophysics
Astrophysics
7
Astrophysics, Shock Heating, Stellar Mass Ejection, Supernovae, Thermonuclear Explosions, Equations Of State, Gravitational Collapse, Neutrinos, Nuclear Astrophysics, Relativity, Trapped Particles
Scientific paper
Consideration is given to the thermal stiffness of warm nuclear matter as a factor governing the shock heating mechanism of supernova explosions. Equations of state for nuclear matter obtained by integrating the Lamb-Lattimer-Pethick-Ravenhall curves for the adiabatic coefficient at a fixed lepton fraction of 0.30 are used to derive a thermal stiffness of 1.25 at density of 10 to the 11th g/cu cm increasing to 1.55 at 10 to the 14th g/cu cm in collapsing stellar cores. At these values, it has been shown that mass can be ejected by the shock heating mechanism. The effects of general relativity, which have not been included in the calculation, are considered to increase the mass and kinetic energy ejected.
Bludman Sidney A.
Lichtenstadt Itamar
Sack N.
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