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Anisotropic cosmological solutions in R+ R<sup>2</sup>gravity
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| dc.date.accessioned | 2019-01-22T20:45:50Z | |
| dc.date.available | 2019-01-22T20:45:50Z | |
| dc.date.issued | 2018 | |
| dc.identifier.issn | 1434-6044 | |
| dc.identifier.uri | https://dspace.kpfu.ru/xmlui/handle/net/148650 | |
| dc.description.abstract | © 2018, The Author(s). In this paper we investigate the past evolution of an anisotropic Bianchi I universe in R+ R2gravity. Using the dynamical system approach we show that there exists a new two-parameter set of solutions that includes both an isotropic “false radiation” solution and an anisotropic generalized Kasner solution, which is stable. We derive the analytic behavior of the shear from a specific property of f(R) gravity and the analytic asymptotic form of the Ricci scalar when approaching the initial singularity. Finally, we numerically check our results. | |
| dc.relation.ispartofseries | European Physical Journal C | |
| dc.title | Anisotropic cosmological solutions in R+ R<sup>2</sup>gravity | |
| dc.type | Article | |
| dc.relation.ispartofseries-issue | 4 | |
| dc.relation.ispartofseries-volume | 78 | |
| dc.collection | Публикации сотрудников КФУ | |
| dc.source.id | SCOPUS14346044-2018-78-4-SID85045740815 |
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Публикации сотрудников КФУ Scopus [24551]
Коллекция содержит публикации сотрудников Казанского федерального (до 2010 года Казанского государственного) университета, проиндексированные в БД Scopus, начиная с 1970г.