Cosmology Beyond Einstein (Paperback, Softcover reprint of the original 1st ed. 2017)

This work investigates the theoretical and cosmological implications of modifying Einstein's theory of general relativity. It explores two classes of modifications to gravity: those in which the graviton is given a small mass, and those in which Lorentz invariance is spontaneously broken. It elucidates the nature of cosmological perturbations in theories of massive bimetric gravity, including a potentially deadly instability. Theories of gravity beyond general relativity could explain why the expansion of the Universe is accelerating, obviating the need for a dark energy, and can also affect the evolution of the early Universe. Next, it investigates the nature of spacetime in massive gravity theories that contain two different spacetime metrics. Lastly, the strongest constraints to date are placed on the size of Lorentz-violating effects in the gravity sector during inflation.

General

Imprint:	Springer International Publishing AG
Country of origin:	Switzerland
Series:	Springer Theses
Release date:	June 2018
First published:	2017
Authors:	Adam Ross Solomon
Dimensions:	235 x 155 x 14mm (L x W x T)
Format:	Paperback
Pages:	231
Edition:	Softcover reprint of the original 1st ed. 2017
ISBN-13:	978-3-319-83549-5
Categories:	Books > Science & Mathematics > Physics > Particle & high-energy physics Books > Science & Mathematics > Physics > Relativity physics > General
LSN:	3-319-83549-1
Barcode:	9783319835495

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