2021
The Quantum Regularization of Singular Black-Hole Solutions in Covariant Quantum Gravity
TESSAROTTO, Massimo and Claudio CREMASCHINIBasic information
Original name
The Quantum Regularization of Singular Black-Hole Solutions in Covariant Quantum Gravity
Authors
TESSAROTTO, Massimo (380 Italy, belonging to the institution) and Claudio CREMASCHINI (380 Italy, belonging to the institution)
Edition
Entropy, 2021, 1099-4300
Other information
Language
English
Type of outcome
Article in a journal
Field of Study
10308 Astronomy
Country of publisher
Switzerland
Confidentiality degree
is not subject to a state or trade secret
References:
Impact factor
Impact factor: 2.738
RIV identification code
RIV/47813059:19630/21:A0000162
Organization unit
Institute of physics in Opava
UT WoS
000633588300001
EID Scopus
2-s2.0-85103522681
Keywords in English
quantum gravity;space-time singular solutions;quantum regularization
Tags
International impact, Reviewed
Changed: 15/3/2022 14:07, Mgr. Pavlína Jalůvková
Abstract
In the original language
An excruciating issue that arises in mathematical, theoretical and astro-physics concerns the possibility of regularizing classical singular black hole solutions of general relativity by means of quantum theory. The problem is posed here in the context of a manifestly covariant approach to quantum gravity. Provided a non-vanishing quantum cosmological constant is present, here it is proved how a regular background space-time metric tensor can be obtained starting from a singular one. This is obtained by constructing suitable scale-transformed and conformal solutions for the metric tensor in which the conformal scale form factor is determined uniquely by the quantum Hamilton equations underlying the quantum gravitational field dynamics.