portada Space-Time Foliation in Quantum Gravity (en Inglés)

Space-Time Foliation in Quantum Gravity (en Inglés)

Formato

Libro Físico

Autor

Yuki Sato

Editorial

Springer

Idioma

Inglés

N° páginas

100

Encuadernación

Tapa Blanda

Dimensiones

23.4x15.6x0.6 cm

Peso

0.17 kg.

ISBN13

9784431562252

Categorías

Gravedad
Física de la relatividad
Física matemática

Space-Time Foliation in Quantum Gravity (en Inglés)

Yuki Sato (Autor) · Springer · Tapa Blanda

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Reseña del libro "Space-Time Foliation in Quantum Gravity (en Inglés)"

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.