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Generalized hybrid metric-Palatini gravity

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arxiv 1302.2355 v1 pith:2P7DQFG6 submitted 2013-02-10 gr-qc

Nicola Tamanini , Christian G. Boehmer This is my paper · ORCID
classification gr-qc
keywords gravitydynamicalgravitationalhybridmetric-palatiniactionapproachbi-scalar
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We introduce a new approach to modified gravity which generalizes the recently proposed hybrid metric-Palatini gravity. The gravitational action is taken to depend on a general function of both the metric and Palatini curvature scalars. The dynamical equivalence with a non-minimally coupled bi-scalar field gravitational theory is proved. The evolution of cosmological solutions is studied using dynamical systems techniques.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Inflation in non-local hybrid metric-Palatini gravity

    hep-th 2024-12 conditional novelty 6.0 of 10

    Non-local hybrid metric-Palatini gravity generically contains ghosts, but a degenerate subclass with metric f(R) gravity plus Palatini non-local terms is ghost-free and can drive slow-roll inflation resembling Starobi...

  2. Novel electrically charged wormhole, black hole and black bounce exact solutions in hybrid metric-Palatini gravity

    gr-qc 2024-12 conditional novelty 5.0 of 10

    Exact charged solutions in hybrid metric-Palatini gravity with zero scalar potential produce traversable wormholes, double-horizon black holes, black bounces, and infinite-horizon spacetimes.

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