Gravity and grand unified theories

Details Gravity and grand unified theories Gravity and grand unified theories

Feb 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985gregr..17..167p&link_type=abstract

General Relativity and Gravitation (ISSN 0001-7701), vol. 17, Feb. 1985, p. 167-171. NSF-supported research.

Physics

1

Cosmology, Elementary Particle Interactions, Gravitation Theory, Quantum Theory, Relativity, Unified Field Theory, Coupling Coefficients, Curvature, High Energy Interactions, Matter (Physics), Space-Time Functions

Scientific paper

Curvature-dependent consequences of grand unified theories (GUTs) for the evolution of the very early universe are investigated, considering the possibility that at high curvature and particle energies of 10 to the 24th eV the effective values of the coupling constants governing the strength of the curvature-matter interaction are largely determined by the elementary-particle content defined by the particular GUT. The GUTs examined include those of Georgi and Glashow (1974) and Chang et al. (1980), and the coupling constants studied are the cosmological Lambda, Newtonian G, xi(phi) and xi(H) linking curvature and the scalar Higgs bosons, and alpha(i) (coefficients of action terms quadratically dependent on the curvature tensor).

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