Produktbild: Space-Time Foliation in Quantum Gravity

Space-Time Foliation in Quantum Gravity

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Springer Theses

ISBN: 4431562257
ISBN 13: 9784431562252
Autor: Sato, Yuki
Verlag: Springer Verlag GmbH
Umfang: xiii, 100 S., 4 s/w Illustr., 12 farbige Illustr., 100 p. 16 illus., 12 illus. in color.
Erscheinungsdatum: 23.08.2016
Auflage: 1/2014
Produktform: Kartoniert
Einband: Kartoniert

In this thesis, the author considers quantum gravity to investigate the mysterious origin of our universe and its mechanisms. He and his collaborators have greatly improved the analyticity of two models: causal dynamical triangulations (CDT) and n-DBI gravity, with the space-time foliation which is one common factor shared by these two separate models. In the first part, the analytic method of coupling matters to CDT in 2-dimensional toy models is proposed to uncover the underlying mechanisms of the universe and to remove ambiguities remaining in CDT. As a result, the wave function of the 2-dimensional universe where matters are coupled is derived. The behavior of the wave function reveals that the Hausdorff dimension can be changed when the matter is non-unitary.  In the second part, the n-DBI gravity model is considered. The author mainly investigates two effects driven by the space-time foliation: the appearance of a new conserved charge in black holes and an extra scalar mode of the graviton. The former implies a breakdown of the black-hole uniqueness theorem while the latter does not show any pathological behavior.

Artikelnummer: 9673167 Kategorie:

Beschreibung

Autorenporträt

Dr.Yuki Sato Nagoya University Department of Physics Furocho, Chikusaku, Nagoya, 4648601, Japan

Herstellerkennzeichnung:


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E-Mail: juergen.hartmann@springer.com

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