Non-singular cosmology using tachyon and general non-minimal kinetic coupling
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Abstract
The bounce with non-minimal coupling is very interesting topic because in the early time, general relativity is likely to be modified, which can give some valuable effects to the evolution of our universe. In this paper we introduce a string-inspired model for bouncing universe, utilizing the tachyon field as well as contributions from general non-minimal kinetic couplings and curvature. It is shown numerically that the bouncing solution appears in the model whereas the equation of state (EoS) parameter crosses the phantom divider.
Keywords
Bouncing universe Non-minimal derivative coupling Tachyon fieldPreview
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