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dc.contributor.author | Boisseau B. | |
dc.contributor.author | Giacomini H. | |
dc.contributor.author | Polarski D. | |
dc.contributor.author | Starobinsky A. | |
dc.date.accessioned | 2018-09-18T20:36:40Z | |
dc.date.available | 2018-09-18T20:36:40Z | |
dc.date.issued | 2015 | |
dc.identifier.uri | https://dspace.kpfu.ru/xmlui/handle/net/141668 | |
dc.description.abstract | © 2015 IOP Publishing Ltd and Sissa Medialab srl . We consider the possibility to produce a bouncing universe in the framework of scalar-tensor gravity models in which the scalar field potential may be negative, and even unbounded from below. We find a set of viable solutions with nonzero measure in the space of initial conditions passing a bounce, even in the presence of a radiation component, and approaching a constant gravitational coupling afterwards. Hence we have a model with a minimal modification of gravity in order to produce a bounce in the early universe with gravity tending dynamically to general relativity (GR) after the bounce. | |
dc.subject | cosmic singularity | |
dc.subject | dark energy theory | |
dc.subject | modified gravity | |
dc.title | Bouncing universes in scalar-tensor gravity models admitting negative potentials | |
dc.type | Article | |
dc.relation.ispartofseries-issue | 7 | |
dc.relation.ispartofseries-volume | 2015 | |
dc.collection | Публикации сотрудников КФУ | |
dc.source.id | SCOPUS-2015-2015-7-SID84937808800 |