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- W3011984311 abstract "Abstract We develop a novel model for cosmological hyperfluids, that is fluids with intrinsic hypermomentum that induce spacetime torsion and non-metricity. Imposing the cosmological principle to metric-affine spaces, we present the most general covariant form of the hypermomentum tensor in an FLRW Universe along with its conservation laws and therefore construct a novel hyperfluid model for cosmological purposes. Extending the previous model of the unconstrained hyperfluid in a cosmological setting we establish the conservation laws for energy–momentum and hypermomentum and therefore provide the complete cosmological setup to study non-Riemannian effects in Cosmology. With the help of this we find the forms of torsion and non-metricity that were earlier reported in the literature and also obtain the most general form of the Friedmann equations with torsion and non-metricity. We also discuss some applications of our model, make contact with the known results in the literature and point to future directions." @default.
- W3011984311 created "2020-03-23" @default.
- W3011984311 creator A5041249765 @default.
- W3011984311 date "2020-11-01" @default.
- W3011984311 modified "2023-10-15" @default.
- W3011984311 title "Cosmological hyperfluids, torsion and non-metricity" @default.
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- W3011984311 doi "https://doi.org/10.1140/epjc/s10052-020-08634-z" @default.
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