6 papers
Vacuum stability in Geometric Trinity of Gravity
Vincenzo Branchina, Salvatore Capozziello, Filippo Contino +1
The decay of a metastable (false) vacuum plays a crucial role in constraining Standard Model and beyond the Standard Model physics. In particular, it has been shown that gravity ca…
Electrically Charged Distorted Black Holes: Thermodynamics, Particle Dynamics, and Quasinormal Signatures
Gamal G. L. Nashed, Salvatore Capozziello
We construct an exact solution for the electrically charged extension of a distorted black hole spacetime within Einstein-Maxwell theory using the Harrison transformation. The resu…
The Pre-geometric Origin of Geometric Trinity of Gravity
Salvatore Capozziello, Giuseppe Meluccio
The so-called Geometric Trinity of Gravity is based on three distinct geometric features of spacetime, i.e.\ curvature, torsion and non-metricity, which give rise to equivalent dyn…
DESI and Dynamical Dark Energy from Extended Pre-geometric Gravity
Andrea Addazi, Yermek Aldabergenov, Daulet Berkimbayev +3
We consider the simplest quadratic extension of MacDowell-Mansouri pre-geometric gravity preserving the topological pre-volume form symmetry. After symmetry breaking, it becomes $(…
Minisuperspace Cosmology in Extended Geometric Trinity of Gravity
Emmanuele Battista, Salvatore Capozziello, Stefano Pastore
We investigate Extended Geometric Trinity of Gravity at both classical and quantum cosmological levels using the minisuperspace approach. Adopting Noether symmetries to select viab…
Primordial black hole induced gravitational waves in gravity
Theodoros Papanikolaou, Salvatore Capozziello
Ultra-light primordial black holes (PBHs) with masses can trigger an early matter-dominated (eMD) era before Big Bang Nucleosynthesis (BBN…