Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- University of Naples Federico IIIT4k papers
- Centre National de la Recherche ScientifiqueFR3.7k papers
- Istituto Nazionale di Fisica Nucleare, Sezione di Roma IIT3.4k papers
- Institut National de Physique Nucléaire et de Physique des ParticulesFR3.3k papers
- Istituto Nazionale di Fisica Nucleare, Sezione di GenovaIT3.1k papers
- Commissariat à l'Énergie Atomique et aux Énergies AlternativesFR3.1k papers
- Istituto Nazionale di Fisica Nucleare, Sezione di PisaIT3k papers
- Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiIT2.9k papers
- Rutherford Appleton LaboratoryGB2.8k papers
- Istituto Nazionale di Fisica Nucleare, Sezione di BolognaIT2.8k papers
- Sapienza University of RomeIT2.7k papers
- The Ohio State UniversityUS2.7k papers
26 papers · 2 filters
Strong deflection of massive particles in spherically symmetric spacetimes
Fabiano Feleppa, Valerio Bozza, Oleg Yu. Tsupko
Near a gravitating compact object, massive particles traveling along timelike geodesics are gravitationally deflected similarly to light. In this paper, we study the deflection ang…
Constraints on polynomial inflation under power-law perturbations
Maria E. S. Antunes, Micol Benetti, Eduardo Bittencourt +1
We investigate perturbations in power-law monomial potentials within inflationary models driven by a single scalar field. By introducing a second term to the original potential, we…
Probing Interacting Dark Sector with the next generation of gravitational-wave detectors
Matteo Califano, Ivan De Martino, Ruth Lazkoz
We have probed the capability of third-generation Gravitational Waves (GW) interferometers, such as the Einstein Telescope and Cosmic Explorer, to constrain a cosmological model wi…
How the Schwarzschild-de Sitter horizons remain in thermal equilibrium at vastly different temperatures
Marcello Miranda, Massimiliano Rinaldi, Valerio Faraoni
The Tolman-Ehrenfest criterion of thermal equilibrium for a static fluid in a static spacetime is generalized to stationary heat conduction, in the approximation in which backreact…
Generalized uncertainty principle corrections in Rastall-Rainbow Casimir wormholes
Emmanuele Battista, Salvatore Capozziello, Abdelghani Errehymy
We explore wormhole solutions sourced by Casimir energy density involving generalized uncertainty principle corrections within the framework of Rastall-Rainbow gravity. The questio…
Lagrangian formulation of the Tsallis entropy
Rocco D'Agostino, Giuseppe Gaetano Luciano
We investigate the gravitational origin of the Tsallis entropy, characterized by the nonadditive index . Utilizing Wald's formalism within the framework of modified theor…
General analysis of Noether symmetries in Horndeski gravity
Marcello Miranda, Salvatore Capozziello, Daniele Vernieri
We explore Noether symmetries of Horndeski gravity, extending the classification of general scalar-tensor theories. Starting from the minimally coupled scalar field and the first-g…
How cosmological expansion affects communication between distant quantum systems
Alessio Lapponi, Orlando Luongo, Stefano Mancini
A quantum communication protocol between harmonic oscillator detectors, interacting with a quantum field, is developed in a cosmological expanding background. The aim is to see if…
Testing non-local gravity through Ultra-Diffuse Galaxies kinematics
Filippo Bouchè, Salvatore Capozziello, Ciro De Simone +1
The emergence of the Ultra-Diffuse Galaxies in recent years has posed a severe challenge to the galaxy formation models as well as the Extended Theories of Gravity. The existence o…
Gravitational tensor and scalar modes in non-metric gravity
Salvatore Capozziello, Maurizio Capriolo, Gaetano Lambiase
We investigate gravitational waves generated in non-metric gravity, i.e., a theory of gravity described by a non-metric compatible connection, free of torsion and curvatur…
Preserving quantum information in cosmology
Salvatore Capozziello, Alessio Lapponi, Orlando Luongo +1
The effects of cosmological expansion on quantum bosonic states are investigated, using quantum information theory. In particular, a generic Bogoliubov transformation of bosonic fi…
Two sides of the same coin: the F-statistic and the 5-vector method
L. D'Onofrio, P. Astone, S. Dal Pra +9
This work explores the relationship between two data-analysis methods used in the search for continuous gravitational waves in LIGO-Virgo-KAGRA data: the -statistic an…
Strong deflection limit analysis of black hole lensing in inhomogeneous plasma
Fabiano Feleppa, Valerio Bozza, Oleg Yu. Tsupko
This paper investigates gravitational lensing effects in the presence of plasma in the strong deflection limit, which corresponds to light rays circling around a compact object and…
Can nonlocal gravity really explain dark energy?
Salvatore Capozziello, Anupam Mazumdar, Giuseppe Meluccio
In view to scrutinize the idea that nonlocal modifications of General Relativity could dynamically address the dark energy problem, we investigate the evolution of the Universe at…
Alternative formulations of the thermodynamics of scalar-tensor theories
Luca Gallerani, Marcello Miranda, Andrea Giusti +1
We explore alternative formulations of the analogy between viable Horndeski gravity and Eckart's first-order thermodynamics. We single out a class of identifications for the effect…
Covariant single-field formulation of effective cosmological bounces
Marcello Miranda
This study explores the feasibility of an effective Friedmann equation in removing the classical Big Bang initial singularity and replacing it with a non-singular bounce occurring…
Arrows of time in bouncing cosmologies
Marco de Cesare
Different approaches to quantum gravity, such as loop quantum cosmology and group field theory, predict the resolution of the initial cosmological singularity via a bounce: a regul…
Avoiding singularities in Lorentzian-Euclidean black holes: the role of atemporality
Salvatore Capozziello, Silvia De Bianchi, Emmanuele Battista
We investigate a Schwarzschild metric exhibiting a signature change across the event horizon, which gives rise to what we term a Lorentzian-Euclidean black hole. The resulting geom…
Anti-de Sitter Momentum Space in 3D and 4D Quantum Gravity
Giovanni Amelino-Camelia, Iarley P. Lobo, Giovanni Palmisano
There has been strong interest in the possibility that in the quantum-gravity realm momentum space might be curved, mainly focusing, especially for what concerns phenomenological i…
A critical discussion on the tension
Salvatore Capozziello, Giuseppe Sarracino, Giulia De Somma
A critical discussion on the Hubble constant tension is presented by considering both early and late-type observations. From recent precise measurements, discrepancies emerge…
Geometric and topological corrections to Schwarzschild black hole
Rocco D'Agostino, Orlando Luongo, Stefano Mancini
In this paper, we compute departures in the black hole thermodynamics induced by either geometric or topological corrections to general relativity. Specifically, we analyze the sph…
Projective path to points at infinity in spherically symmetric spacetimes
Donato Bini, Giampiero Esposito
This paper proves that, in a four-dimensional spherically symmetric spacetime manifold, one can consider coordinate transformations expressed by fractional linear maps which give r…
Correlated 0.01Hz-40Hz seismic and Newtonian noise and its impact on future gravitational-wave detectors
Kamiel Janssens, Guillaume Boileau, Nelson Christensen +22
We report correlations in underground seismic measurements with horizontal separations of several hundreds of meters to a few kilometers in the frequency range 0.01Hz to 40Hz. Thes…
Radiative losses and radiation-reaction effects at the first post-Newtonian order in Einstein-Cartan theory
Vittorio De Falco, Emmanuele Battista, Davide Usseglio +1
Gravitational radiation-reaction phenomena occurring in the dynamics of inspiralling compact binary systems are investigated at the first post-Newtonian order beyond the quadrupole…