Stationary Dyonic Regular and Black Hole Solutions

Details Stationary Dyonic Regular and Black Hole Solutions Stationary Dyonic Regular and Black Hole Solutions

2007-05-10

arxiv.org/abs/0705.1511v1

Gen.Rel.Grav.40:1279-1310,2008

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

23 pages, 4 figures

Scientific paper

10.1007/s10714-007-0604-2

We consider globally regular and black hole solutions in SU(2) Einstein-Yang-Mills-Higgs theory, coupled to a dilaton field. The basic solutions represent magnetic monopoles, monopole-antimonopole systems or black holes with monopole or dipole hair. When the globally regular solutions carry additionally electric charge, an angular momentum density results, except in the simplest spherically symmetric case. We evaluate the global charges of the solutions and their effective action, and analyze their dependence on the gravitational coupling strength. We show, that in the presence of a dilaton field, the black hole solutions satisfy a generalized Smarr type mass formula.

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