Statistics – Computation
Scientific paper
Oct 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990ap%26ss.172...29m&link_type=abstract
Astrophysics and Space Science (ISSN 0004-640X), vol. 172, no. 1, Oct. 1990, p. 29-45.
Statistics
Computation
3
Field Theory (Physics), Ideal Fluids, Relativity, Universe, Astronomical Models, Computational Astrophysics, Electromagnetic Fields, Stellar Rotation
Scientific paper
Models for slowly-rotating charged perfect-fluid universes are considered with emphasis on the zero-mass scalar field. The purpose of the study is to attest the possibility of the existence of rotating cosmological objects of such nature and to investigate their dynamics. The nature and role of the metric and matter rotations under different conditions are analyzed. Rotating models indicate that rotational velocities decay with time, while the fluid pressure and energy density are found to be decreasing functions of time and radial distances. It is concluded that if the solutions of the charged fluid distribution coupled with the zero-mass scalar field are known, the solutions for the corresponding slowly-rotating models can be obtained.
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