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Constant volume exponential solutions in Einstein-Gauss-Bonnet flat anisotropic cosmology with a perfect fluidстатья
Статья опубликована в высокорейтинговом журнале
Информация о цитировании статьи получена из
Web of Science
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 27 мая 2015 г.
- Авторы: Chirkov Dmitry, Pavluchenko Sergey A., Toporensky Alexey
- Журнал: General Relativity and Gravitation
- Том: 46
- Год издания: 2014
- Издательство: Kluwer Academic Publishers
- Местоположение издательства: Netherlands
- Первая страница: 1799
- DOI: 10.1007/s10714-014-1799-7
- Аннотация: In this paper we investigate the constant volume exponential solutions (i.e. the solutions with the scale factors change exponentially over time so that the comoving volume remains the same) in the Einstein-Gauss-Bonnet gravity. We find conditions for these solutions to exist and show that they are compatible with any perfect fluid with the equation of state parameter ω<1/3 if the matter density of the Universe exceeds some critical value. We write down some exact solutions which generalize ones found in our previous paper for models with a cosmological constant.
- Добавил в систему: Топоренский Алексей Владимирович
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| [1] | Chirkov D., Pavluchenko S. A., Toporensky A. Constant volume exponential solutions in einstein-gauss-bonnet flat anisotropic cosmology with a perfect fluid // General Relativity and Gravitation. — 2014. — Vol. 46. — P. 1799. In this paper we investigate the constant volume exponential solutions (i.e. the solutions with the scale factors change exponentially over time so that the comoving volume remains the same) in the Einstein-Gauss-Bonnet gravity. We find conditions for these solutions to exist and show that they are compatible with any perfect fluid with the equation of state parameter ω<1/3 if the matter density of the Universe exceeds some critical value. We write down some exact solutions which generalize ones found in our previous paper for models with a cosmological constant. [ DOI ] |