1999
DOI: 10.1088/0264-9381/16/11/308
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Charge and the topology of spacetime

Abstract: 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 … Show more

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Cited by 12 publications
(26 citation statements)
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“…We now stay with the same scenario as in the previous section, but instead apply the bound current version of Maxwell theory as given by (15), interpreting J b as representing the polarisation of the vacuum. It is known from quantum field theory that vacuum polarization occurs naturally for intense fields, with the first order correction to the excitation 2-form given by (6).…”
Section: Polarisation Of the Vacuummentioning
confidence: 99%
“…We now stay with the same scenario as in the previous section, but instead apply the bound current version of Maxwell theory as given by (15), interpreting J b as representing the polarisation of the vacuum. It is known from quantum field theory that vacuum polarization occurs naturally for intense fields, with the first order correction to the excitation 2-form given by (6).…”
Section: Polarisation Of the Vacuummentioning
confidence: 99%
“…Wormholes can be constructed with any combination of time and space orientability [5], and by a similar process monopole type structures of any orientation can be described [6]. The Möbius strip is non-orientable and if the central circle is considered to be a space dimension, and the other direct a time direction, then the Möbius strip models a 1 + 1 dimensional spacetime that is space orientable but not time orientable.…”
Section: Interactions and Topology Changementioning
confidence: 99%
“…However a 4-geon that is not time orientable does not have a consistently defined normal vector and the divergence theorem fails, allowing the appearance of net electric charge. A mathematical treatment in arbitrary dimensions is given in [6].…”
Section: Orientability and Chargementioning
confidence: 99%
“…Although this paper is entirely classical, the lack of a time orientation gives new results and is motivated by earlier work linking spacetimes that are not time orientable with foundations of quantum theory [4,5], the existence of electric charges [6], and spin half transformations of elementary particles [7].…”
mentioning
confidence: 99%