Physics – Nuclear Physics
Scientific paper
May 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985nupha.438..722c&link_type=abstract
Nuclear Physics A, Volume 438, Issue 3-4, p. 722-739.
Physics
Nuclear Physics
44
Scientific paper
A simple equation of state for supernova matter is based on the compressible liquid-drop model. The nuclei-bubbles and bubbles-nuclear matter phase transitions are handled smoothly and properties of the dense phase in the bubble regime are investigated. Using phenomenological values for the nuclear bulk compression modulus and surface energies, we find the dense phase expands to occupy most of the volume well before the overall density approaches saturation. Finite-temperature properties are modelled by use of a nucleon effective mass whose enhancement over the saturation value is taken as proportional to the surface and Coulomb energies. In the bubble region the adiabatic index decreases only slightly below the relativistic 4/3 value.
Supported in part by US DOE under contract no. DE-AC02-76 ER 13001.
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