Cosmological Solutions for the Coupled Einstein-Yang-Mills-Higgs Equations

Details Cosmological Solutions for the Coupled Einstein-Yang-Mills-Higgs Equations Cosmological Solutions for the Coupled Einstein-Yang-Mills-Higgs Equations

Oct 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996gregr..28.1177o&link_type=abstract

General Relativity and Gravitation, Volume 28, Issue 10, pp.1177-1219

Computer Science

8

Yang-Mills Equation, Inflation In Robertson-Walker Models

Scientific paper

The coupled system of Einstein-Yang-Mills-Higgs equations is solved numerically for a Robertson-Walker symmetric universe. The open universe must be excluded because, for this situation, the coupled system is unable to produce energy-momentum densityT μν in agreement with the Robertson-Walker symmetry. For the closed universe, inflation solutions do occur if an early re-collapse is avoided by suitable choice of the initial conditions. The energy exchange between the minimally coupled Higgs and Yang-Mills subsystems is very small so that the inflating power of the Higgs field cannot be disturbed by the presence of the Yang-Mills field. After the inflation phase the influence of the Yang-Mills field is completely negligible (cosmic no-hair theorem).

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