03634nam 22006735 450 991030039740332120200705055809.04-431-54947-110.1007/978-4-431-54947-5(CKB)3710000000119224(EBL)1731499(OCoLC)884585460(SSID)ssj0001247542(PQKBManifestationID)11710217(PQKBTitleCode)TC0001247542(PQKBWorkID)11195570(PQKB)11466949(MiAaPQ)EBC1731499(DE-He213)978-4-431-54947-5(PPN)178785318(EXLCZ)99371000000011922420140528d2014 u| 0engur|n|---|||||txtccrSpace-Time Foliation in Quantum Gravity /by Yuki Sato1st ed. 2014.Tokyo :Springer Japan :Imprint: Springer,2014.1 online resource (112 p.)Springer Theses, Recognizing Outstanding Ph.D. Research,2190-5053"Doctoral Thesis accepted by Nagoya University, Nagoya, Japan."4-431-54946-3 Includes bibliographical references at the end of each chapters.Introduction -- Causal Dynamical Triangulation -- n-DBI Gravity -- Summary -- Appendices.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.Springer Theses, Recognizing Outstanding Ph.D. Research,2190-5053GravitationPhysicsMathematical physicsClassical and Quantum Gravitation, Relativity Theoryhttps://scigraph.springernature.com/ontologies/product-market-codes/P19070Mathematical Methods in Physicshttps://scigraph.springernature.com/ontologies/product-market-codes/P19013Mathematical Physicshttps://scigraph.springernature.com/ontologies/product-market-codes/M35000Gravitation.Physics.Mathematical physics.Classical and Quantum Gravitation, Relativity Theory.Mathematical Methods in Physics.Mathematical Physics.530.143Sato Yukiauthttp://id.loc.gov/vocabulary/relators/aut792026MiAaPQMiAaPQMiAaPQBOOK9910300397403321Space-Time Foliation in Quantum Gravity1770907UNINA