Search Results - "Rocco D’Agostino"
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Model-independent reconstruction of f(Q) non-metric gravity
Published in Physics letters. B (10-09-2022)“…We consider gravity mediated by non-metricity, with vanishing curvature and torsion. The gravitational action, including an arbitrary function of the…”
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Cosmological viability of a double field unified model from warm inflation
Published in Physics letters. B (10-06-2022)“…In this paper, we investigate the cosmological viability of a double scalar field model motivated by warm inflation. To this end, we first set up the…”
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Lagrangian formulation of the Tsallis entropy
Published in Physics letters. B (01-10-2024)“…We investigate the gravitational origin of the Tsallis entropy, characterized by the nonadditive index δ. Utilizing Wald's formalism within the framework of…”
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The phase-space view of non-local gravity cosmology
Published in Physics letters. B (10-11-2022)“…We consider non-local Integral Kernel Theories of Gravity in a homogeneous and isotropic universe background as a possible scenario to drive the cosmic…”
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Einstein, Planck and Vera Rubin: Relevant Encounters Between the Cosmological and the Quantum Worlds
Published in Frontiers in physics (16-02-2021)“…In Cosmology and in Fundamental Physics there is a crucial question like: where the elusive substance that we call Dark Matter is hidden in the Universe and…”
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Kinematic model-independent reconstruction of Palatini f(R) cosmology
Published in General relativity and gravitation (2019)“…A kinematic treatment to trace out the form of f ( R ) cosmology, within the Palatini formalism, is discussed by only postulating the universe homogeneity and…”
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Late-time constraints on modified Gauss-Bonnet cosmology
Published in General relativity and gravitation (01-03-2023)“…In this paper, we consider a gravitational action containing a combination of the Ricci scalar, R , and the topological Gauss-Bonnet term, G . Specifically, we…”
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Model-independent reconstruction of f(T) teleparallel cosmology
Published in General relativity and gravitation (01-11-2017)“…We propose a model-independent formalism to numerically solve the modified Friedmann equations in the framework of f ( T ) teleparallel cosmology. Our strategy…”
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Extended logotropic fluids as unified dark energy models
Published in The European physical journal. C, Particles and fields (01-04-2019)“…We study extended classes of logotropic fluids as unified dark energy models. Under the hypothesis of the Anton–Schmidt scenario, we consider a universe…”
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Testing Yukawa cosmology at the Milky Way and M31 galactic scales
Published in The European physical journal. C, Particles and fields (11-04-2024)“…We address the galaxy rotation curves through the Yukawa gravitational potential emerging as a correction of the Newtonian potential in extended theories of…”
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Thermodynamic parametrization of dark energy
Published in PHYSICS OF THE DARK UNIVERSE (01-06-2022)“…We propose a new parametrization of dark energy motivated by thermodynamics. To this aim, we consider Padé polynomials to reconstruct the form of deceleration…”
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Cosmic acceleration from a single fluid description
Published in PHYSICS OF THE DARK UNIVERSE (01-06-2018)“…We here propose a new class of barotropic factor for matter, motivated by properties of isotropic deformations of crystalline solids. Our approach is dubbed…”
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Black hole thermodynamics from logotropic fluids
Published in The European physical journal. C, Particles and fields (01-02-2023)“…We show that the Einstein field equations with a negative cosmological constant can admit black hole solutions whose thermodynamics coincides with that of…”
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Reconstructing the distortion function of non-local cosmology: A model-independent approach
Published in PHYSICS OF THE DARK UNIVERSE (01-12-2023)Get full text
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Exploring departures from Schwarzschild black hole in f(R) gravity
Published in The European physical journal. C, Particles and fields (01-06-2023)“…Different astrophysical methods can be combined to detect possible deviations from General Relativity. In this work, we consider a class of f ( R ) gravity…”
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Cosmographic analysis with Chebyshev polynomials
Published in Monthly notices of the Royal Astronomical Society (21-05-2018)“…Abstract The limits of standard cosmography are here revised addressing the problem of error propagation during statistical analyses. To do so, we propose the…”
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Early and late time cosmology: the f(R) gravity perspective
Published in European physical journal plus (14-11-2022)“…Discrepancies between observations at early and late cosmic epochs, and the vacuum energy problem associated with the interpretation of cosmological constant,…”
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Geometric and topological corrections to Schwarzschild black hole
Published in The European physical journal. C, Particles and fields (15-10-2024)“…In this paper, we compute departures in the black hole thermodynamics induced by either geometric or topological corrections to general relativity…”
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Black holes and naked singularities from Anton–Schmidt’s fluids
Published in PHYSICS OF THE DARK UNIVERSE (01-05-2020)“…Adopting the Tolman–Oppenheimer–Volkoff formalism, we propose a new analytical solution for a static and spherically symmetric black hole where the…”
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Phasic Voluntary Movements Reverse the Aftereffects of Subsequent Theta-Burst Stimulation in Humans
Published in Journal of neurophysiology (01-10-2008)“…1 Department of Neurological Sciences and 2 Neuromed Institute, "Sapienza" University of Rome, Italy Submitted 30 April 2008; accepted in final form 10 August…”
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