Mostra el registre d'ítem simple
Gravitational particle production in bouncing cosmologies
dc.contributor.author | Haro Cases, Jaume |
dc.contributor.author | Elizalde, Emilio |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament de Matemàtiques |
dc.date.accessioned | 2016-04-05T11:02:54Z |
dc.date.available | 2016-10-03T00:30:23Z |
dc.date.issued | 2015-10-13 |
dc.identifier.citation | Haro, J., Elizalde, E. Gravitational particle production in bouncing cosmologies. "Journal of cosmology and astroparticle physics", 13 Octubre 2015, vol. 2015. |
dc.identifier.issn | 1475-7516 |
dc.identifier.uri | http://hdl.handle.net/2117/85188 |
dc.description.abstract | © 2015 IOP Publishing Ltd and Sissa Medialab srl . It is argued that the Universe reheating in bouncing cosmologies could be explained via gravitational particle production, as due to a sudden phase transition in the contracting regime. To this end, it is shown that, in the context of Loop Quantum Cosmology, gravitational production of massive particles conformally coupled with gravity in a matter-ekpyrotic bouncing Universe, where the sudden phase transition occurs in the contracting regime, yields a reheating temperature which is in good agreement with cosmological observations. |
dc.language.iso | eng |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/3.0/es/ |
dc.subject | Àrees temàtiques de la UPC::Matemàtiques i estadística |
dc.subject.lcsh | Quantum gravity |
dc.subject.lcsh | Quantum cosmology |
dc.subject.other | alternatives to inflation |
dc.subject.other | quantum field theory on curved space |
dc.title | Gravitational particle production in bouncing cosmologies |
dc.type | Article |
dc.subject.lemac | Gravitació |
dc.subject.lemac | Cosmologia |
dc.contributor.group | Universitat Politècnica de Catalunya. EDP - Equacions en Derivades Parcials i Aplicacions |
dc.identifier.doi | 10.1088/1475-7516/2015/10/028 |
dc.description.peerreviewed | Peer Reviewed |
dc.relation.publisherversion | http://iopscience.iop.org/article/10.1088/1475-7516/2015/10/028/meta;jsessionid=AB26E7CA7D79B1B73E85BE4B2250E8DA.c3 |
dc.rights.access | Open Access |
local.identifier.drac | 17429754 |
dc.description.version | Postprint (author's final draft) |
local.citation.author | Haro, J.; Elizalde, E. |
local.citation.publicationName | Journal of cosmology and astroparticle physics |
local.citation.volume | 2015 |
Fitxers d'aquest items
Aquest ítem apareix a les col·leccions següents
-
Articles de revista [91]
-
Articles de revista [3.267]