Robertson-Walker-type universes with conformally-invariant scalar field

Details Robertson-Walker-type universes with conformally-invariant scalar field Robertson-Walker-type universes with conformally-invariant scalar field

Aug 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987ap%26ss.136..315m&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 136, no. 2, Aug. 1987, p. 315-320.

Astronomy and Astrophysics

Astrophysics

4

Cosmology, Gravitation Theory, Scalars, Universe, Asymptotic Properties, Einstein Equations, Space-Time Functions

Scientific paper

Recently, Innaiah and Reddy (1985) obtained a flat Robertson-Walker-type solution for the Einstein field equations with the trace-free energy-momentum tensor of a conformally invariant scalar field as source. Here the authors show that the field equations force the scalar field to be independent of time. Furthermore, they obtain open and closed Robertson-Walker-type solutions and observe that, once again, the scalar field has to be independent of time.

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