Kasner cosmology in bumblebee gravity
arXiv:2209.00589 · doi:10.1016/j.aop.2023.169338
Abstract
Kasner cosmology is a vacuum and anisotropically expanding spacetime in the general relativity context. In this work, such a cosmological model is studied in another context, the bumblebee model, where the Lorentz symmetry is spontaneously broken. By using the bumblebee context it is possible to justify the anisotropic feature of the Kasner cosmology. Thus, the origin of the anisotropy in this cosmological model could be in the Lorentz symmetry breaking. Lastly, an application in the pre-inflationary cosmology is suggested.
arXiv comment7 pages. Published in Annals of Physics
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- Testing EGB gravity coupled to bumblebee field and black hole parameter estimation with EHT observations
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