Physics
Scientific paper
Jul 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982pthph..68..222o&link_type=abstract
Progress of Theoretical Physics, Vol. 68, No. 1, pp. 222-235
Physics
23
Scientific paper
The properties of nuclei in cold dense matter with strongly degenerate neutrinos are investigated with the aid of an extended Thomas-Fermi model of nuclei. The following results are obtained. 1) The proton number of nucleus increases with the increasing density of the matter and it becomes very huge compared with that of the cold catalyzed matter due to the decrease of the Coulomb energy caused by the effect of the lattice-Coulomb energy. 2) The matter densities at the neutron-drip points, where the chemical potentials of neutrons equal zero are obtained as a function of the number of the leptons per nucleon YL, and it is found that nuclei coalesce before neutron drip when YL is greater than about 0.4 for the case of b.c.c. lattice. 3) Along the neutron-drip points, an infinite network of linked nuclei may be formed at the matter density ρP ≈ 9 × 1013g cm-3, and the bubble-phase appears at the matter density ρB ≈ 1.1 × 1014g cm-3. When the matter density becomes higher than ρH ≈ 1.7 × 1014g cm-3, the bubbles melt into a homogeneous matter.
Ogasawara Ryusuke
Sato Kachishige
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