Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
1999-05-19
Class.Quant.Grav. 16 (1999) 3567-3577
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
Accepted by Class. Quantum Grav. More explanation added as advised by the referee. 13 pages
Scientific paper
10.1088/0264-9381/16/11/308
A new class of electrically charged wormholes is described in which the outer two sphere is not spanned by a compact coorientable hypersurface. These wormholes can therefore display net electric charge from the source free Maxwell's equation. This extends the work of Sorkin on non-space orientable manifolds, to spacetimes which do not admit a time orientation. The work is motivated by the suggestion that quantum theory can be explained by modelling elementary particles as regions of spacetime with non-trivial causal structure. The simplest example of an electrically charged spacetime carries a spherical symmetry.
Diemer Tammo
Hadley Mark J.
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