Abstract
In this article, we examine the solution for expanding cosmology, which imitates properties similar to an interplay of dark matter and dark energy. The effective fluid of this toy model may behaves like dust matter at early epoch and as a cosmological constant at later epoch. Also, for this solution, the cosmological parameters are calculated and the model is able to explain dynamical universe evolution from decelerated to accelerated phase. Further, we investigate the bouncing solution and it’s relation with finite-time singularities in present model with inhomogeneous viscous fluid.
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Authors are thankful to the learned reviewer for insightful comments which helped us to improve the presentation of manuscript. AS is thankful to Anjani Kumar Shukla for discussion on observational constraining of model.
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Singh, A., Chaubey, R. Unified and bouncing cosmologies with inhomogeneous viscous fluid. Astrophys Space Sci 366, 15 (2021). https://doi.org/10.1007/s10509-021-03921-x
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DOI: https://doi.org/10.1007/s10509-021-03921-x