Non-minimal Einstein-Yang-Mills-dilaton theory

Details Non-minimal Einstein-Yang-Mills-dilaton theory Non-minimal Einstein-Yang-Mills-dilaton theory

2008-12-09

arxiv.org/abs/0812.1642v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

10 pages, no figures. Contribution to "Problems of Modern Cosmology", special volume on the occasion of 50th birthday of Prof.

Scientific paper

We establish a new non-minimal Einstein-Yang-Mills-dilaton model, for which the Lagrangian is linear in the curvature and contains eight arbitrary functions of the scalar (dilaton) field. The self-consistent system of equations for the non-minimally coupled gauge, scalar and gravitational fields is derived. As an example of an application we discuss the model with pp-wave symmetry. Two exact explicit regular solutions of the whole system of master equations, belonging to the class of pp-wave solutions, are presented.

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