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Regular Bouncing Solutions, Energy Conditions and the Brans-Dicke Theory
- Publication Year :
- 2019
-
Abstract
- In general, to avoid a singularity in cosmological models involves the introduction of exotic kind of matter fields, for example, a scalar field with negative energy density. In order to have a bouncing solution in classical General Relativity, violation of the energy conditions is required. In this work, we discuss a case of the bouncing solution in the Brans-Dicke theory with radiative fluid that obeys the energy conditions, and with no ghosts.<br />Comment: 5 pages, 2 figures, accepted for publication in JETP Letters
Details
- Database :
- arXiv
- Publication Type :
- Report
- Accession number :
- edsarx.1908.04258
- Document Type :
- Working Paper
- Full Text :
- https://doi.org/10.1134/S0021364019200013