We found a match
Your institution may have rights to this item. Sign in to continue.
- Title
Horizon Quantum Mechanics: Spherically Symmetric and Rotating Sources.
- Authors
Casadio, Roberto; Giugno, Andrea; Giusti, Andrea; Micu, Octavian
- Abstract
The Horizon Quantum Mechanics is an approach that allows one to analyse the gravitational radius of spherically symmetric systems and compute the probability that a given quantum state is a black hole. We first review the (global) formalism and show how it reproduces a gravitationally inspired GUP relation. This results leads to unacceptably large fluctuations in the horizon size of astrophysical black holes if one insists in describing them as (smeared) central singularities. On the other hand, if they are extended systems, like in the corpuscular models, no such issue arises and one can in fact extend the formalism to include asymptotic mass and angular momentum with the harmonic model of rotating corpuscular black holes. The Horizon Quantum Mechanics then shows that, in simple configurations, the appearance of the inner horizon is suppressed and extremal (macroscopic) geometries seem disfavoured.
- Subjects
BLACK holes; QUANTUM mechanics; CONSTITUTION of matter; QUANTUM states; QUANTUM fluctuations; SYMMETRIC state (Quantum mechanics); PROBABILITY in quantum mechanics; ASYMPTOTIC symmetry (Physics)
- Publication
Foundations of Physics, 2018, Vol 48, Issue 10, p1204
- ISSN
0015-9018
- Publication type
Article
- DOI
10.1007/s10701-018-0164-1