Gravitational Theories Beyond General Relativity

Gravitational Theories Beyond General Relativity
Author :
Publisher : Springer
Total Pages : 82
Release :
ISBN-10 : 3030211991
ISBN-13 : 9783030211998
Rating : 4/5 (998 Downloads)

Book Synopsis Gravitational Theories Beyond General Relativity by : Iberê Kuntz

Download or read book Gravitational Theories Beyond General Relativity written by Iberê Kuntz and published by Springer. This book was released on 2020-08-14 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt: Despite the success of general relativity in explaining classical gravitational phenomena, several problems at the interface between gravitation and high energy physics still remain open. The purpose of this thesis is to explore quantum gravity and its phenomenological consequences for dark matter, gravitational waves and inflation. A new formalism to classify gravitational theories based on their degrees of freedom is introduced and, in light of this classification, it is argued that dark matter is no different from modified gravity. Gravitational waves are shown to be damped due to quantum degrees of freedom. The consequences for gravitational wave events are also discussed. The non-minimal coupling of the Higgs boson to gravity is studied in connection with Starobinsky inflation and its implications for the vacuum instability problem is analyzed.

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