Statistics – Computation
Scientific paper
Jun 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...329..780m&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 329, June 15, 1988, p. 780-789. Research supported by the Conselleria de Cu
Statistics
Computation
7
Equations Of State, Field Theory (Physics), Neutron Stars, Stellar Cores, Stellar Oscillations, Computational Astrophysics, Relativistic Theory
Scientific paper
The relativistic equations for the radial oscillations of warm cores in neutron stars have been solved and the eigenfrequencies of the fundamental modes have been obtained for a large sample of configurations in relativistic thermal equilibrium. The equation of state used was derived in the frame of a field theoretical model for the analysis of relativistic nuclear and neutron matter at nonzero temperatures. The Lagrangian describing the microdynamics has been introduced by coupling the nucleons to sigma, pi, omega, and rho meson fields in a renormalizable way. Moreover, the results of this paper allow the so-called static stability criterion to be reviewed and a 'central temperature-central density' diagram to be built which displays a well-defined region of stability and admits an evolutive interpretation.
Alonso Diaz J.
Ibanez Miguel J.
Marti Jose Ma.
Miralles Juan A.
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