A mean-field calculation of the equation of state of supernova matter

Details A mean-field calculation of the equation of state of supernova matter A mean-field calculation of the equation of state of supernova matter

Dec 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981nupha.372..496b&link_type=abstract

Nuclear Physics A, Volume 372, Issue 3, p. 496-526.

Physics

Nuclear Physics

100

Scientific paper

The equation of state for hot dense matter occurring in stellar collapse is calculated using the Hartree-Fock approximation at finite temperature. The effective nucleon-nucleon interaction is a modified Skyrme force which gives a rather good value of the compression modulus in nuclear matter. Results are presented for the adiabat S = 1 per baryon, with a fixed value of the electron fraction Ye = 0.25, in the density range ρ = 0.02 to 0.07 baryons per fm3. We find that nuclei are still present in the medium. As a consequence the adiabatic index is slightly less than 4/3. We also discuss the presence of a transition, around half nuclear matter density, towards a phase made of bubbles.
Laboratoire associé au CNRS.

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