The field equations of a conformally invariant, scalar-tensor theory
- 1 October 1976
- journal article
- Published by IOP Publishing in Journal of Physics A: General Physics
- Vol. 9 (10) , 1637-1645
- https://doi.org/10.1088/0305-4470/9/10/015
Abstract
A general, conformally invariant theory of the general relativistic, gravitational field coupled with a scalar field is considered. The field equations of the theory are derived from a variational action principle and also from the assumption of the geodesic motion of test particles. These are shown to be identical. The scalar field is assumed to be a long-range field with the view to establishing a cosmological theory. An upper bound for the background scalar field is estimated.Keywords
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