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Titlebook: Quantum Gravity, Quantum Cosmology and Lorentzian Geometries; Giampiero Esposito,Secod Corrected Book 1994Latest edition Springer-Verlag B

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書目名稱Quantum Gravity, Quantum Cosmology and Lorentzian Geometries
編輯Giampiero Esposito,Secod Corrected
視頻videohttp://file.papertrans.cn/782/781216/781216.mp4
叢書名稱Lecture Notes in Physics Monographs
圖書封面Titlebook: Quantum Gravity, Quantum Cosmology and Lorentzian Geometries;  Giampiero Esposito,Secod Corrected Book 1994Latest edition Springer-Verlag B
描述This book is aimed at theoretical and mathematical physicists and mathematicians interested in modern gravitational physics. I have thus tried to use language familiar to readers working on classical and quantum gravity, paying attention both to difficult calculations and to existence theorems, and discussing in detail the current literature. The first aim of the book is to describe recent work on the problem of boundary conditions in one-loop quantum cosmology. The motivation of this research was to under- stand whether supersymmetric theories are one-loop finite in the presence of boundaries, with application to the boundary-value problemsoccurring in quantum cosmology. Indeed, higher-loop calculations in the absence of boundaries are already available in the litera- ture, showing that supergravity is not finite. I believe, however, that one-loop calculations in the presence of boundaries are more fundamental, in that they provide a more direct check of the inconsistency of supersymmetric quantum cosmology from the perturbative point of view. It therefore appears that higher-order calculations are not strictly needed, if the one-loop test already yields negative results. Even tho
出版日期Book 1994Latest edition
關鍵詞Cosmology; Gravity; Kosmologie; Lorentzian Geometry; Quantengravitation; Quantum Cosmology; Quantum Gravit
版次2
doihttps://doi.org/10.1007/978-3-540-47295-7
isbn_softcover978-3-662-14933-1
isbn_ebook978-3-540-47295-7Series ISSN 0940-7677
issn_series 0940-7677
copyrightSpringer-Verlag Berlin Heidelberg 1994
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Quantum Gravity, Quantum Cosmology and Lorentzian Geometries978-3-540-47295-7Series ISSN 0940-7677
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Canonical Quantum Gravitylass constraints, Dirac brackets, effective Hamiltonian, total Hamiltonian and extended Hamiltonian. On quantization, the operator versions of first-class constraints become supplementary conditions on the wave function, provided these constraints are consistent with one another and with the Schr?di
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Perturbative Quantum Gravityface Σ to a three-metric and a field configuration on a spacelike surface Σ′. The Wick-rotated quantum amplitudes are here studied under the assumption that the analytic continuation to the real Riemannian section of the complexified space-time is possible, but this is not a generic property. Within
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Choice of Boundary Conditions in One-Loop Quantum Cosmologycal boundary conditions. . = 1 supergravity is the simplest supersymmetric model, which we study in a background cosmological model which is flat Euclidean space bounded by a three-sphere. We pick out the physical degrees of freedom by imposing the supersymmetry constraints and choosing a gauge cond
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