Dark effects in $$\tilde{f}(R,P)$$ f ~ ( R , P ) gravity
Abstract In the present paper a new cosmological model is proposed by extending the Einstein–Hilbert Lagrangian with a generic functional $$\tilde{f}(R,P)$$ f ~ ( R , P ) , which depends on the scalar curvature R and a term P which encodes a possible influence from specific cubic contractions of the...
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| Format: | Article |
| Language: | English |
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SpringerOpen
2021-12-01
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| Series: | European Physical Journal C: Particles and Fields |
| Online Access: | https://doi.org/10.1140/epjc/s10052-021-09871-6 |