8 papers
Microscopic entropy of de Sitter spacetime and entropic solution to the old cosmological constant problem
Mariano Cadoni, Lorenzo Herres, Lorenzo Orlando +1
We study the role of Weyl symmetry breaking in conformal gravity and the residual scale symmetry of Einstein gravity. The corresponding action is characterized by a dimensionless c…
Eikonal, nonlocality and regular black holes
Mariano Cadoni, Lorenzo Herres, Leonardo Modesto +2
We investigate the leading gravitational eikonal in nonlocal dimensional theories of gravity. We analyze the simplest cases of massless and massive scalar scatt…
Cosmologically Coupled Black Holes with Regular Horizons
Mariano Cadoni, Leonardo de Lima, Mirko Pitzalis +2
We present the most general and exact solution of Einstein's gravity sourced by an anisotropic fluid describing the cosmological embedding (CE) of a static and spherically-symmetri…
Stable Wormholes in Conformal Gravity
Mariano Cadoni, Leonardo Modesto, Mirko Pitzalis +1
We present a class of Lorentzian traversable wormholes in conformal gravity, constructed via Weyl rescaling of Minkowski spacetime. As a result, these wormholes are solutions of ev…
Effective Quantum Spacetimes from Functional Renormalization Group
Alfio Bonanno, Mariano Cadoni, Mirko Pitzalis +1
Using the Functional Renormalization Group approach we construct effective quantum spacetime geometries by self-consistently deforming the classical Schwarzschild-de Sitter black-h…
Deriving the paradox: original derivation of Hawking radiation
Mariano Cadoni, Salvatore Mignemi, Mirko Pitzalis +1
We revisit Hawking's original derivation of the evaporation process in a non-stationary spacetime, presenting it in a clear and pedagogical manner, with a focus on the spherical co…