Abstract
Late time transition is obtained with a function of Gauss Bonnet curvature \(f(G)\) in the Einstein Hilbert action with a matter field in a FLRW spacetime assuming an ansatz without a specific \(f(G)\). Late time accelerating expansion is either a phantom era without Big Rip singularity or a quintessence era or a de-Sitter era of expansion. The equation of state parameter, jerk and snap parameters support observational data and the function \(f(G)\) obtained from the solution supports earlier works.
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Modak, B., Dutta, M.K. Late time acceleration in \(f(G)\) model. Gen Relativ Gravit 45, 91–102 (2013). https://doi.org/10.1007/s10714-012-1461-1
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DOI: https://doi.org/10.1007/s10714-012-1461-1