2003•SSRN Electronic JournalOpen access

Cylindrically Symmetric Cosmological Models in Bimetric Theory

P. K. Sahoo, G. Mohanty

Abstract

Spherically symmetric Kantowski-Sachs space-time is studied in Rosen’s (1973) bimetric theory of gravitation, considering the source of gravitation as perfect fluid and scalar meson field. It is shown that a macro cosmological model – represented by perfect fluid distribution – does not exist, and only a vacuum model can be constructed, whereas in case of a micro cosmological model represented by a scalar meson field exists, and the model is obtained as in the case of Mohanty & Sahoo (2002).

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Key concepts: Physics, Gravitation, Perfect fluid, Scalar (mathematics), Cosmological model, Scalar field, Theoretical physics, Field (mathematics)