Introduction of short-range effects in the Oppenheimer-Volkoff equation

Details Introduction of short-range effects in the Oppenheimer-Volkoff equation Introduction of short-range effects in the Oppenheimer-Volkoff equation

Jan 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apj...348..212m&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 348, Jan. 1, 1990, p. 212-220. Research supported by DGICYT.

Mathematics

Logic

Elementary Particle Interactions, Gravitational Constant, Neutron Stars, Stellar Interiors, Stellar Structure, Gravitation Theory, Potential Energy, Quantum Theory, Stellar Mass, White Dwarf Stars

Scientific paper

Motivated by the recent questioning of the inverse-square law, the influence of short-range effects on the structure of a neutron star is presently investigated. This is analyzed by introducing an additional scalar (vector) massive field into the Oppenheimer-Volkoff formalism, which gives rise to a new attractive (repulsive) effect between the neutrons. This can be viewed as a simple modification of the equation of state. When phenomenologically acceptable parameters are used, the resulting effects on the star structure are unobservable.

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