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Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/4542
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dc.contributor.authorDowker, Fay-
dc.contributor.authorSurya, Sumati-
dc.date.accessioned2012-05-28T03:42:54Z-
dc.date.available2012-05-28T03:42:54Z-
dc.date.issued1998-12-
dc.identifier.citationPhysical Review D, 1998, Vol.58, p124019en
dc.identifier.issn1550-7998-
dc.identifier.issn1550-2368 (Online)-
dc.identifier.urihttp://hdl.handle.net/2289/4542-
dc.descriptionRestricted Access. An open-access version is available at arXiv.org (one of the alternative locations)en
dc.description.abstractThe result that, for a scalar quantum field propagating on a ``trousers'' topology in 1+1 dimensions, the crotch singularity is a source for an infinite burst of energy has been used to argue against the occurrence of topology change in quantum gravity. We draw attention to a conjecture due to Sorkin that it may be the particular type of topology change involved in the trousers transition that is problematic and that other topology changes may not cause the same difficulties. The conjecture links the singular behavior to the existence of ``causal discontinuities'' in the spacetime and relies on a classification of topology changes using Morse theory. We investigate various topology changing transitions, including the pair production of black holes and of topological geons, in the light of these ideas.en
dc.language.isoenen
dc.publisherAmerican Physical Societyen
dc.relation.urihttp://arxiv.org/abs/gr-qc/9711070en
dc.relation.urihttp://dx.doi.org/10.1103/PhysRevD.58.124019en
dc.relation.urihttp://adsabs.harvard.edu/abs/1998PhRvD..58l4019Den
dc.rights1998 The American Physical Societyen
dc.subjectcovariant and sum-over-histories quantizationen
dc.subjectglobal analysis and analysis on manifoldsen
dc.subjectspacetime topologyen
dc.subjectcausal structureen
dc.subjectspinor structureen
dc.titleTopology change and causal continuityen
dc.typeArticleen
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