Inflation in anisotropic brane universe using tachyon field
arXiv:1912.06494 · doi:10.1142/S0218271819410104
Abstract
Cosmological solution to the gravitational field equations in the generalized Randall-Sundrum model for an anisotropic brane with Bianchi I geometry and perfect fluid as matter sources has been considered. The matter on the brane is described by a tachyonic field. The solution admits inflationary era and at a later epoch the anisotropy of the universe washes out. We obtain two classes of cosmological scenario, in the first case universe evolves from singularity and in the second case universe expands without singularity.
arXiv comment15 pages, 5 figures, Accepted in IJMPD
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- Traversable Lorentzian wormhole on the Shtanov-Sahni braneworld with matter obeying the energy conditions