Physics – Nuclear Physics
Scientific paper
Jan 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007phrvc..75a5807d&link_type=abstract
Physical Review C, vol. 75, Issue 1, id. 015807
Physics
Nuclear Physics
4
Nuclear Matter, Nuclear Physics Aspects Of Novae, Supernovae, And Other Explosive Environments, Nuclear Matter Aspects Of Neutron Stars
Scientific paper
The equation of state (EOS) of dense supernova matter composed of protons, neutrons, and relativistic electrons is calculated within finite temperature Brueckner Goldstone approach with effective two-body Sussex interaction and compared with asymmetric nuclear matter. Thermal effect on the EOS is studied at temperature 5, 7, and 10 MeV. The EOS of supernova matter is found to be stiffer than the corresponding asymmetric nuclear matter equation of state as expected. Single particle properties like distribution functions and chemical potentials of proton, neutron, and electron are discussed for various values of electron fractions, densities, and temperatures. Distribution function is found to depend on Fermi kinetic energy of respective particles as well as on thermal energy. Chemical potential depends on number density of particles and temperature. It is also seen that the EOS for symmetric nuclear matter at low temperature has same order of magnitude with the recently extracted experimental values within the density range 0.35 0.56 fm-3.
Das Chinmay
Mishra Amruta
Sahu R.
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