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Nonperturbative models of quark stars in gravity
A. V. Astashenok, S. Capozziello, S. D. Odintsov
Quark star models with realistic equation of state in nonperturbative gravity are considered. The mass-radius relation for model is obtained. Considering scala…
Post-Minkowskian Limit and Gravitational Waves solutions of Fourth Order Gravity: a complete study
A. Stabile, S. Capozziello
The post-Minkowskian limit and gravitational wave solutions for general fourth-order gravity theories are discussed. Specifically, we consider a Lagrangian with a generic function…
Extended Theories of Gravity with Generalized Energy Conditions
José P. Mimoso, Francisco S. N. Lobo, Salvatore Capozziello
We address the problem of the energy conditions in modified gravity taking into account the additional degrees of freedom related to scalar fields and curvature invariants. The lat…
Chaos Removal in the gravity: the Mixmaster model
Riccardo Moriconi, Giovanni Montani, Salvatore Capozziello
We study the asymptotic dynamics of the Mixmaster Universe, near the cosmological singularity, considering gravity up to a quadratic corrections in the Ricci scalar . The…
Probing Models of Extended Gravity using Gravity Probe B and LARES experiments
S. Capozziello, G. Lambiase, M. Sakellariadou +2
We consider models of Extended Gravity and in particular, generic models containing scalar-tensor and higher-order curvature terms, as well as a model derived from noncommutative s…
Connecting early and late universe by gravity
Salvatore Capozziello, Mariafelicia De Laurentis, Orlando Luongo
Inflation and dark energy are two of the most relevant aspects of modern cosmology. These different epochs provide the universe is passing through accelerated phases soon after the…