Gravitational Aspects of a Conformally Coupled Field Theory in Five Space-Time Dimensions

Details Gravitational Aspects of a Conformally Coupled Field Theory in Five Space-Time Dimensions Gravitational Aspects of a Conformally Coupled Field Theory in Five Space-Time Dimensions

Oct 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982rspsa.383..457u&link_type=abstract

Proceedings of The Royal Society of London. Series A, Mathematical and Physical Sciences, Volume 383, Issue 1785, pp. 457-464

Mathematics

Logic

Scientific paper

Where a field with broken symmetry is coupled to the scalar curvature of the underlying space-time, we may expect, in general, that the resulting effective Newtonian gravitational constant is dependent upon the vacuum state of the field theory. Except in regions of large space-time curvature or high temperature, physical field theories in four dimensions predict only negligible vacuum contributions to the Newtonian constant whereas in the higher-dimensional model considered here, this is not the case. We discover also that both the Newtonian and the cosmological constants may be influenced by the presence of an electromagnetic field.

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