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gr-qc2024
Little Rip and Pseudo Rip cosmological models with coupled dark energy based on a new generalized entropy
I. Brevik, A. V. Timoshkin
We study Little Rip (LR) and Pseudo Rip (PR) cosmological models containing two coupled fluids: dark energy and dark matter. We assume a spatially flat Friedmann-Robertson-Walker (…
gr-qc2012★ 20 cited
Little Rip cosmological models with time-dependent equation of state
I. Brevik, V. V. Obukhov, K. E. Osetrin +1
Specific dark energy models, leading to the Little Rip (LR) cosmology in the far future, are investigated. Conditions for the occurrence of LR in terms of the parameters present in…