Slow rotation of radiating viscous-fluid universe coupled with scalar field

Details Slow rotation of radiating viscous-fluid universe coupled with scalar field Slow rotation of radiating viscous-fluid universe coupled with scalar field

Oct 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988ap%26ss.148..149k&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 148, no. 1, Oct. 1988, p. 149-161.

Statistics

Computation

5

Computational Astrophysics, Rotating Matter, Universe, Viscous Fluids, Angular Velocity, Gravitational Effects, Perturbation Theory, Radiation Distribution

Scientific paper

Investigations are being made on slowly rotating models of radiating viscous fluid coupled with scalar field in spherically-symmetric Einstein Universe, and some new analytic solutions are found to substantiate the possibility of the existence of such universes. The nature and role of the rotational velocity Ω(r,t) which is related to the local dragging of inertial frames and that of matter rotation ω(r,t) are studied. The author also discusses the effects of the radiation field and the scalar field on the rotation. Rotating models which are expanding are obtained, where in all the cases the rotational velocities are found to decay with the time; and these models may be taken as good examples of real astrophysical situations.

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