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General relativity; exact solutions; rotating string cosmology

We obtain a one parameter class of stationary rotating string cosmological models of which the well-known Gödel universe is a particular case. By suitably choosing the free parameter function, it is always possible to satisfy the energy conditions. The rotation of the model hinges on the cosmological constant which turns out to be negative. String-dust distribution in Gödel-type universes is also briefly discussed.

L K Patel¹ Naresh Dadhich^{1 2}

1. Department of Mathematics, Gujarat University, Ahmedabad - 380 009, India
2. Inter-University Centre for Astronomy and Astrophysics, Post Bag 4, Ganeshkhind, Pune - 411 007, India

Published

November 1996

Manuscript received

4 July 1996