Please use this identifier to cite or link to this item: http://theses.ncl.ac.uk/jspui/handle/10443/682
Full metadata record
DC FieldValueLanguage
dc.contributor.authorMellor, Felicity Avril-
dc.date.accessioned2010-03-16T10:01:01Z-
dc.date.available2010-03-16T10:01:01Z-
dc.date.issued1990-
dc.identifier.urihttp://hdl.handle.net/10443/682-
dc.descriptionPhD Thesisen_US
dc.description.abstractThe work of this thesis falls into two parts: a discussion of decoherence in quantum Kaluza-Klein theories and a study of some of the properties of general black hole metrics in de Sitter spacetime. Kaluza-Klein theories permit a variety of compactifications and arbitrary scales for the internal space. There must be no quantum interference between these different possibilities. In chapter one it is demonstrated that in the Salam-Sezgin compactification interference between differently scaled interenal spaces is suppressed. In chapter two new gravitational instantons are presented which are related to charged, rotating black holes with a cosmological constant A. These instantons correspond to black holes in de Sitter space with identical Hawking temperatures. Their action contributes terms of order A-1/2 to path integrals with quantum wormholes. The metrics of these general de Sitter black holes show that the spacetimes have wormholes connecting different asymptotic regions. In chapter three the theory of black hole perturbations is extended to these metrics. It appears that the holes are stable even at the Cauchy horizon. This implies that cosmic censorship is violated. The stability of the spacetimes also implies the existence of a cosmological no hair theorem.en_US
dc.description.sponsorshipScience and Engineering Research Council.en_US
dc.language.isoenen_US
dc.publisherNewcastle Universityen_US
dc.titleBlack holes and quantum cosmologyen_US
dc.typeThesisen_US
Appears in Collections:School of Chemistry

Files in This Item:
File Description SizeFormat 
Mellor90.pdfThesis22.95 MBAdobe PDFView/Open
dspacelicence.pdfLicence43.82 kBAdobe PDFView/Open


Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.