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Asymptotic Safety and Black Holes

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This book provides new evidence for a UV fixed point in quantum gravity including an unprecedented number of curvature invariants. It will stimulate further progress in black hole physics using renormalization group techniques.

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Titel: Asymptotic Safety and Black Holes
Autoren/Herausgeber: Kevin Falls
Aus der Reihe: Springer Theses
Ausgabe: Softcover reprint of the original 1st ed. 2013

ISBN/EAN: 9783319347806

Seitenzahl: 185
Format: 23,5 x 15,5 cm
Produktform: Taschenbuch/Softcover
Gewicht: 320 g
Sprache: Englisch

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 are the consequences 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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