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Bounce and cyclic cosmology in extended nonlinear massive gravity

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arxiv 1207.3786 v3 pith:LN2QVKGJ submitted 2012-07-14 astro-ph.CO gr-qchep-th

Yi-Fu Cai (Arizona State U. , McGill U.) , Caixia Gao (Mississippi U.) , Emmanuel N. Saridakis (Natl. Tech. U. , Athens , Paris , Inst. Astrophys.) This is my paper · ORCID
classification astro-ph.COgr-qchep-th
keywords extendedgravitymassivenonlinearpotentialscalar-fieldbouncechosen
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We investigate non-singular bounce and cyclic cosmological evolutions in a universe governed by the extended nonlinear massive gravity, in which the graviton mass is promoted to a scalar-field potential. The extra freedom of the theory can lead to certain energy conditions violations and drive cyclicity with two different mechanisms: either with a suitably chosen scalar-field potential under a given Stuckelberg-scalar function, or with a suitably chosen Stuckelberg-scalar function under a given scalar-field potential. Our analysis shows that extended nonlinear massive gravity can alter significantly the evolution of the universe at both early and late times.

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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. Topological charge and black hole photon spheres in massive gravity

    gr-qc 2025-09 unverdicted novelty 7.0 of 10

    In dRGT massive gravity, static spherically symmetric black holes exhibit zero, one, or two photon spheres whose topological charges and stability patterns differ from Einstein gravity and from horizonless compact objects.

  2. Non-singular bounce solutions in Myrzakulov $f(R,T)$ gravity

    gr-qc 2025-01 reject novelty 4.0 of 10

    In Myrzakulov F(R,T) gravity, free connection functions can be chosen to produce matter-bounce backgrounds with a scale-invariant scalar power spectrum.

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