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An introduction to covariant quantum gravity and asymptotic safety

An introduction to covariant quantum gravity and asymptotic safety
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Catalogue Information
Field name Details
Dewey Class 539.754
Title An introduction to covariant quantum gravity and asymptotic safety (M) / Roberto Percacci
Author Percacci, Roberto
Publication Singapore : World Scientific , 2017
Physical Details xii, 300 pages : ill. ; 26 cm.
Series 100 years of General Relativity ; 3
ISBN 9789813207172
Summary Note "This book covers recent developments in the covariant formulation of quantum gravity. Developed in the 1960s by Feynman and DeWitt, by the 1980s this approach seemed to lead nowhere due to perturbative non-renormalizability. The possibility of non-perturbative renormalizability or "asymptotic safety", originally suggested by Weinberg but largely ignored for two decades, was revived towards the end of the century by technical progress in the field of the renormalization group. It is now a very active field of research, providing an alternative to other approaches to quantum gravity. Written by one of the early contributors to this subject, this book provides a gentle introduction to the relevant ideas and calculational techniques. Several explicit calculations gradually bring the reader close to the current frontier of research. The main difficulties and present lines of development are also outlined"--:
Contents note Contents: Historical overview -- Gravitons -- Failure of renormalizability -- Other perturbative approaches -- Technical developments -- The functional renormalization group equation -- The gravitational fixed point -- The asymptotic safety programme.
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0000000044369 530.8 PER
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