Renormalization-group analysis of grand unified theories in curved spacetime

Details Renormalization-group analysis of grand unified theories in curved spacetime Renormalization-group analysis of grand unified theories in curved spacetime

Apr 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984phrvd..29.1584p&link_type=abstract

Physical Review D (Particles and Fields), Volume 29, Issue 8, 15 April 1984, pp.1584-1608

Mathematics

Logic

118

Scientific paper

We consider a class of grand unified theories (GUT's) based on the Georgi-Glashow model in curved spacetime. We are particularly concerned with the coupling constants involving the curvature. These include the cosmological and gravitational constants, as well as coupling constants appearing in terms quadratic in the curvature and in terms which link the Higgs bosons to the scalar curvature. For asymptotically free theories, we use the renormalization group to obtain expressions for these effective coupling constants at high curvature (between the GUT and Planck scales). We discuss the role of the effective coupling constants in the gravitational field equations. These results may be of importance for cosmology.

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