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dc.contributor.CRUESPUniversidade Estadual de Campinaspt_BR
dc.typeArtigo de periódicopt_BR
dc.titleExact general relativistic disks with magnetic fieldspt_BR
dc.contributor.authorLetelier, PSpt_BR
unicamp.author.emailletelier@ime.unicamp.brpt_BR
unicamp.authorUniv Estadual Campinas, IMECC, Dept Matemat Aplicada, BR-13038970 Campinas, SP, Brazilpt_BR
dc.subject.wosBlack-holept_BR
dc.subject.wosSpacetimespt_BR
dc.subject.wosEquationspt_BR
dc.subject.wosRingspt_BR
dc.subject.wosChaospt_BR
dc.description.abstractThe well-known "displace, cut, and reflect" method used to generate cold disks from given solutions of Einstein equations is extended to solutions of Einstein-Maxwell equations. Four exact solutions of the these last equations are used to construct models of hot disks with surface density, azimuthal pressure, and azimuthal current. The solutions are closely related to Kerr, Taub-NUT, Lynden-Bell-Pinault and to a one-soliton solution. We find that the presence of the magnetic field can change in a nontrivial way the different properties of the disks. In particular, the pure general relativistic instability studied by Bicak, Lynden-Bell, and Katz [Phys. Rev. D 47, 4334 (1993)] can be enhanced or cured by different distributions of currents inside the disk. These currents, outside the disk, generate a variety of axial symmetric magnetic fields. As far as we know these are the first models of hot disks studied in the context of general relativity. [S0556-2821(99)00820-6].pt
dc.relation.ispartofPhysical Review Dpt_BR
dc.relation.ispartofabbreviationPhys. Rev. Dpt_BR
dc.publisher.cityCollege Pkpt_BR
dc.publisher.countryEUApt_BR
dc.publisherAmerican Physical Socpt_BR
dc.date.issued1999pt_BR
dc.date.monthofcirculation42309pt_BR
dc.identifier.citationPhysical Review D. American Physical Soc, v. 60, n. 10, 1999.pt_BR
dc.language.isoenpt_BR
dc.description.volume60pt_BR
dc.description.issuenumber10pt_BR
dc.rightsabertopt_BR
dc.sourceWeb of Sciencept_BR
dc.identifier.issn0556-2821pt_BR
dc.identifier.wosidWOS:000083862300069pt_BR
dc.identifier.doi10.1103/PhysRevD.60.104042pt_BR
dc.date.available2014-12-02T16:30:50Z
dc.date.available2015-11-26T16:45:06Z-
dc.date.accessioned2014-12-02T16:30:50Z
dc.date.accessioned2015-11-26T16:45:06Z-
dc.description.provenanceMade available in DSpace on 2014-12-02T16:30:50Z (GMT). No. of bitstreams: 1 WOS000083862300069.pdf: 121805 bytes, checksum: 893420958e64d2bf0045a581e46c83c2 (MD5) Previous issue date: 1999en
dc.description.provenanceMade available in DSpace on 2015-11-26T16:45:06Z (GMT). No. of bitstreams: 2 WOS000083862300069.pdf: 121805 bytes, checksum: 893420958e64d2bf0045a581e46c83c2 (MD5) WOS000083862300069.pdf.txt: 28099 bytes, checksum: 0be4b950485eba50d62efa385b7e80ca (MD5) Previous issue date: 1999en
dc.identifier.urihttp://www.repositorio.unicamp.br/jspui/handle/REPOSIP/66204pt_BR
dc.identifier.urihttp://www.repositorio.unicamp.br/handle/REPOSIP/66204
dc.identifier.urihttp://repositorio.unicamp.br/jspui/handle/REPOSIP/66204-
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