Fundamental aspects of asymptotic safety in quantum gravity / Zoë H. Slade.
Slade, Zoë H., author.
2019
QC178 .S53 2019eb
Available Online

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Title Fundamental aspects of asymptotic safety in quantum gravity / Zoë H. Slade.
Author Slade, Zoë H., author.
ISBN 9783030195076 (electronic book)
3030195074 (electronic book)
3030195066
9783030195069
Published Cham : Springer, [2019]
Copyright ©2019
Language English
Description 1 online resource
Item Number 10.1007/978-3-030-19
Call Number QC178 .S53 2019eb
Dewey Decimal Classification 531/.14
Summary After an extensive introduction to the asymptotic safety approach to quantum gravity, this thesis explains recent key advances reported in four influential papers. Firstly, two exact solutions to the reconstruction problem (how to recover a bare action from the effective average action) are provided. Secondly, the fundamental requirement of background independence in quantum gravity is successfully implemented. Working within the derivative expansion of conformally reduced gravity, the notion of compatibility is developed, uncovering the underlying reasons for background dependence generically forbidding fixed points in such models. Thirdly, in order to understand the true nature of fixed-point solutions, one needs to study their asymptotic behaviour. The author carefully explains how to find the asymptotic form of fixed point solutions within the f(R) approximation. Finally, the key findings are summarised and useful extensions of the work are identified. The thesis finishes by considering the need to incorporate matter into the formalism in a compatible way and touches upon potential opportunities to test asymptotic safety in the future.
Note "Doctoral thesis accepted by the University of Southampton, Southampton, UK."
Bibliography, etc. Note Includes bibliographical references.
Access Note Access limited to authorized users.
Source of Description Online resource ; title from PDF title page (viewed July 15, 2019).
Series Springer theses.
Available in Other Form Print version: 9783030195069
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Introduction
Solutions to the reconstruction problem
Background independence in a background dependent RG
Asymptotic solutions in asymptotic safety
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