Please use this identifier to cite or link to this item: http://hdl.handle.net/1822/7700

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dc.contributor.authorEdgar, S. Brian-
dc.contributor.authorRamos, M. P. Machado-
dc.date.accessioned2008-03-06T17:05:55Z-
dc.date.available2008-03-06T17:05:55Z-
dc.date.issued2007-05-
dc.date.submitted2006-
dc.identifier.citation"General Relativity and Gravitation". ISSN 0001-7701. 39:5 (2007) 539-566.eng
dc.identifier.issn1572-9532eng
dc.identifier.issn0001-7701eng
dc.identifier.urihttp://hdl.handle.net/1822/7700-
dc.description.abstractUsing the generalised invariant formalism we derive a class of conformally flat spacetimes whose Ricci tensor has a pure radiation and a Ricci scalar component. The method used is a development of the methods used earlier for pure radiation spacetimes of Petrov types O and N respectively. In this paper we demonstrate how to handle, in the generalised invariant formalism, spacetimes with isotropy freedom and rich Killing vector structure. Once the spacetimes have been constructed, it is straightforward to deduce their Karlhede classification: the Karlhede algorithm terminates at the fourth derivative order, and the spacetimes all have one degree of null isotropy and three, four or five Killing vectors.eng
dc.description.sponsorshipVetenskapsrådet - Swedish Research Council.por
dc.description.sponsorshipOfficina Mathematica da Universidade do Minho.por
dc.language.isoengeng
dc.publisherSpringer eng
dc.rightsopenAccesseng
dc.subjectPure radiation metricseng
dc.subjectInvariant formalismeng
dc.titleObtaining a class of type O pure radiation metrics with a negative cosmological constant, using invariant operatorseng
dc.typearticlepor
dc.peerreviewedyeseng
dc.relation.publisherversion'The original publication is available at www.springerlink.com'eng
dc.relation.publisherversionhttp://springerlink.metapress.com/content/94274nvp819q41vg/fulltext.pdf-
sdum.number5eng
sdum.pagination539-566eng
sdum.publicationstatuspublishedeng
sdum.volume39eng
oaire.citationStartPage539por
oaire.citationEndPage566por
oaire.citationIssue5por
oaire.citationVolume39por
dc.identifier.doi10.1007/s10714-006-0392-0por
dc.subject.wosScience & Technologypor
sdum.journalGeneral Relativity and Gravitationpor
Appears in Collections:Offmath - Artigos (Papers)

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