Statistics – Computation
Scientific paper
Aug 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26a...221....4m&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 221, no. 1, Aug. 1989, p. 4-19.
Statistics
Computation
17
Elementary Particles, Globular Clusters, Quantum Statistics, Relativistic Theory, Boltzmann Distribution, Computational Astrophysics, Gravitational Fields, Vlasov Equations
Scientific paper
The relativistic and Newtonian configurations of a system of classical particles with a distribution function with a cutoff in the momentum space are studied. These distributions are obtained as classical limit of more general quantum statistics. The characteristic physical quantities of astrophysical interest of the equilibrium configurations are given, assuming selected values of the parameters. The stability of these configurations is treated both from a global point of view of the mass-central density and mass-radius relation as well as by introducing the concept of an effective polytropic exponent. The results are compared and contrasted with the existing ones in literature.
Merafina Marco
Ruffini Remo
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