9 papers
Bounce Models within Teleparallel modified gravity
Alessandro Casalino, Bruno Sanna, Lorenzo Sebastiani +1
In this paper, working in a Friedman-Lemaitre-Robertson-Walker (FLRW), first, in the flat case, we recover the generalized Friedman equation of Quantum Loop cosmology, and therefor…
Perturbations in Regularized Lovelock Gravity
Alessandro Casalino, Lorenzo Sebastiani
In this paper we study the perturbation theory of the recently proposed Regularized Lovelock Gravity, on the curved FLRW space-time. We provide the first order perturbation equatio…
A note on non singular Einstein-Aether cosmologies
Alessandro Casalino, Lorenzo Sebastiani, Sergio Zerbini
An effective Lagrangian approach based on an extended Einstein-Aether (EA) model is presented and formulated in a generic non flat Fridman-Lemaitre-Robertson-Walker (FLRW) space-ti…
Regularized Lovelock gravity
Alessandro Casalino, Aimeric Colleaux, Massimiliano Rinaldi +1
A four-dimensional regularization of Lovelock-Lanczos gravity up to an arbitrary curvature order is considered. We show that Lovelock-Lanczos terms can provide a non-trivial contri…
Higher derivative and mimetic models on non flat FLRW space-times
Alessandro Casalino, Lorenzo Sebastiani, Luciano Vanzo +1
An effective Lagrangian approach, partly inspired by Quantum Loop Cosmology (QLC), is presented and formulated in a non flat FLRW space-times, making use of modified gravitational…
Kinematic reconstructions of extended theories of gravity at small and intermediate redshifts
Marco Calzà, Alessandro Casalino, Orlando Luongo +1
In the last few decades, extensions of General Relativity have reached always more attention especially in view of possible breakdowns of the standard CDM paradigm at intermedia…