Global monopoles and massless dilatons in Einstein-Cartan gravity

Details Global monopoles and massless dilatons in Einstein-Cartan gravity Global monopoles and massless dilatons in Einstein-Cartan gravity

1999-05-04

arxiv.org/abs/gr-qc/9905010v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Latex file,10 K

Scientific paper

A global monopole in dilatonic Einstein-Cartan gravity is presented. A linearized solution representing a global monopole interacting with a massless dilaton is found where Cartan torsion does not interact with the monopole Higgs field.Computation of the geodesic equation shows that the monopole-dilaton system generates a repulsive gravitational field.The solution is shown to break the linear approximation for certain values of torsion.

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