Search Results - "Sanna, Andrea P."

Weak cosmic censorship and the rotating quantum BTZ black hole by Frassino, Antonia M., Rocha, Jorge V., Sanna, Andrea P.

“…A bstract Tests of the weak cosmic censorship conjecture examine the possibility of the breakdown of predictivity of the gravitational theory considered, by…”
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Unitarity and Page Curve for Evaporation of 2D AdS Black Holes by Cadoni, Mariano, Sanna, Andrea P

“…We explore the Hawking evaporation of two-dimensional anti-de Sitter (AdS2), dilatonic black hole coupled with conformal matter, and derive the Page curve for…”
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Long-Range Quantum Gravity by Cadoni, Mariano, Tuveri, Matteo, Sanna, Andrea P.

“…It is a tantalising possibility that quantum gravity (QG) states remaining coherent at astrophysical, galactic and cosmological scales could exist and that…”
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Nucleation of de Sitter from the anti de Sitter spacetime in scalar field models by Cadoni, Mariano, Pitzalis, Mirko, Sanna, Andrea P

“…We show that, in the framework of Einstein-scalar gravity, the de Sitter (dS) spacetime can be nucleated out of the anti de Sitter (AdS) one. This is done by…”
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Cosmological coupling of local gravitational systems by Cadoni, Mariano, Pitzalis, Mirko, Rodrigues, Davi C, Sanna, Andrea P

“…We investigate the cosmological coupling of spherical, local astrophysical systems. We derive a general formula quantifying the cosmological coupling of the…”
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Weak cosmic censorship and the rotating quantum BTZ black hole by Frassino, Antonia M, Rocha, Jorge V, Sanna, Andrea P

“…Tests of the weak cosmic censorship conjecture examine the possibility of the breakdown of predictivity of the gravitational theory considered, by checking if…”
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Unified description of galactic dynamics and the cosmological constant by Cadoni, Mariano, Sanna, Andrea P

“…We explore the phenomenology of a two-fluid cosmological model, where the field equations of general relativity (GR) are sourced by baryonic and cold dark…”
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Quasi-local masses and cosmological coupling of black holes and mimickers by Cadoni, Mariano, Murgia, Riccardo, Pitzalis, Mirko, Sanna, Andrea P

“…Motivated by the recent heated debate on whether the masses of local objects, such as compact stars or black holes (BHs), may be affected by the large-scale,…”
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Emergence of a Cosmological Constant in Anisotropic Fluid Cosmology by Cadoni, Mariano, Sanna, Andrea P

“…We investigate anisotropic fluid cosmology in a situation where the spacetime metric back-reacts in a local, time-dependent way to the presence of…”
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Scalar stars and lumps with (A)dS core by Cadoni, Mariano, Oi, Mauro, Pitzalis, Mirko, Sanna, Andrea P

“…We explore the possibility of embedding regular compact objects with (anti) de Sitter ((A)dS) core as solutions of Einstein's gravity minimally coupled to a…”
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Quasi-normal modes and Microscopic Structure of the Schwarzschild Black Hole by Cadoni, Mariano, Oi, Mauro, Sanna, Andrea P

“…Maggiore observed that, in the high-damping regime, the quasi-normal modes spectrum for the Schwarzschild black hole resembles that of a quantum harmonic…”
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Anisotropic Fluid Cosmology: an Alternative to Dark Matter? by Cadoni, Mariano, Sanna, Andrea P, Tuveri, Matteo

“…Phys. Rev. D 102, 023514 (2020) We use anisotropic fluid cosmology to describe the present, dark energy-dominated, universe. Similarly to what has been…”
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