## Asymptotic Safety and Black Holes [electronic resource] / by Kevin Falls.

##### By: Falls, Kevin [author.]

##### Contributor(s): SpringerLink (Online service)

Material type: TextSeries: Springer Theses, Recognizing Outstanding Ph.D. Research: Publisher: Cham : Springer International Publishing : Imprint: Springer, 2013Description: XVI, 185 p. 47 illus., 18 illus. in color. online resourceContent type: text Media type: computer Carrier type: online resourceISBN: 9783319012940Subject(s): Physics | Gravitation | Thermodynamics | Cosmology | Physics | Classical and Quantum Gravitation, Relativity Theory | Cosmology | Thermodynamics | Física y Astronomía | Física y AstronomíaAdditional physical formats: Printed edition:: No titleDDC classification: 530.1 LOC classification: QC178QC173.5-173.65Online resources: Texto completoItem type | Current location | Shelving location | Call number | Status | Date due | Barcode | Item holds |
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Springer (Colección 2013) | BIBLIOTECA GENERAL | Física y Astronomía | Física y Astronomía (Browse shelf) | Available |

Introduction -- The Renormalisation group -- The flow of F(R) gravity -- Black hole space-times -- Thermodynamics of space-time -- Black hole thermodynamics under the microscope -- Conclusion.

One of the open challenges in fundamental physics is to combine Einstein's theory of general relativity with the principles of quantum mechancis. In this thesis, the question is raised whether metric quantum gravity could be fundamental in the spirit of Steven Weinberg's seminal asymptotic safety conjecture, and if so, what the consequences would be for the physics of small, possibly Planck-size black holes. To address the first question, new techniques are provided which allow, for the first time, a self-consistent study of high-order polynomial actions including up to 34 powers in the Ricci scalar. These novel insights are then exploited to explain quantum gravity effects in black holes, including their horizon and causal structure, conformal scaling, evaporation, and the thermodynamics of quantum space-time. Results indicate upper limits on black hole temperature, and the existence of small black holes based on asymptotic safety for gravity and thermodynamical arguments.

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