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http://hdl.handle.net/2445/53286
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DC Field | Value | Language |
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dc.contributor.author | Fröb, Markus Benjamin | - |
dc.contributor.author | Papadopoulos, Demetrios B. | - |
dc.contributor.author | Roura Crumols, Albert | - |
dc.contributor.author | Verdaguer Oms, Enric, 1950- | - |
dc.date.accessioned | 2014-04-07T08:21:16Z | - |
dc.date.available | 2014-04-07T08:21:16Z | - |
dc.date.issued | 2013 | - |
dc.identifier.issn | 1550-7998 | - |
dc.identifier.uri | http://hdl.handle.net/2445/53286 | - |
dc.description.abstract | We consider the linearized semiclassical Einstein equations for small deviations around de Sitter spacetime including the vacuum polarization effects of conformal fields. Employing the method of order reduction, we find the exact solutions for general metric perturbations (of scalar, vector and tensor type). Our exact (nonperturbative) solutions show clearly that in this case de Sitter is stable with respect to small metric deviations and a late-time attractor. Furthermore, they also reveal a breakdown of perturbative solutions for a sufficiently long evolution inside the horizon. Our results are valid for any conformal theory, even self-interacting ones with arbitrarily strong coupling. | - |
dc.format.extent | 19 p. | - |
dc.format.mimetype | application/pdf | - |
dc.language.iso | eng | - |
dc.publisher | American Physical Society | - |
dc.relation.isformatof | Reproducció del document publicat a: http://dx.doi.org/10.1103/PhysRevD.87.064019 | - |
dc.relation.ispartof | Physical Review D, 2013, vol. 87, p. 064019-1-064019-19 | - |
dc.relation.uri | http://dx.doi.org/10.1103/PhysRevD.87.064019 | - |
dc.rights | (c) American Physical Society, 2013 | - |
dc.source | Articles publicats en revistes (Física de la Matèria Condensada) | - |
dc.subject.classification | Cosmologia quàntica | - |
dc.subject.classification | Teoria quàntica de camps | - |
dc.subject.classification | Gravetat quàntica | - |
dc.subject.classification | Equacions de camp d'Einstein | - |
dc.subject.other | Quantum cosmology | - |
dc.subject.other | Quantum field theory | - |
dc.subject.other | Quantum gravity | - |
dc.subject.other | Einstein field equations | - |
dc.title | Nonperturbative semiclassical stability of de Sitter spacetime for small metric deviations | - |
dc.type | info:eu-repo/semantics/article | - |
dc.type | info:eu-repo/semantics/publishedVersion | - |
dc.identifier.idgrec | 620751 | - |
dc.date.updated | 2014-04-07T08:21:16Z | - |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | - |
Appears in Collections: | Articles publicats en revistes (Física de la Matèria Condensada) |
Files in This Item:
File | Description | Size | Format | |
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620751.pdf | 287.12 kB | Adobe PDF | View/Open |
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