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Hybrid Quantization of an Inhomogeneous Inflationary Scenario

AuthorsFernández Méndez, Mikel ; Mena Marugán, Guillermo A. ; Olmedo, Javier
KeywordsCosmological perturbations
Loop quantum cosmology
Issue Date2015
PublisherWorld Scientific Publishing
CitationProceedings of the MG13 Meeting on General Relativity: 2275- 2277 (2015)
AbstractWe completely quantize the model consisting of scalar perturbations around a homogeneous and isotropic universe filled with a massive scalar field and with positive-curvature spatial sections. A gauge fixing is performed so as to remove the spurious local degrees of freedom. The homogeneous sector is then quantized with loop techniques, while the inhomogeneities are described by a standard Fock representation which is uniquely determined by the symmetries of the spatial sections and the requirement of unitary dynamics. We provide a quantum Hamiltonian constraint and characterize its solutions in terms of their initial value on the minimum volume section. An equivalent formulation in terms of gauge invariants is commented.
DescriptionProceedings of the Thirteenth Marcel Grossman Meeting on General Relativity, Singapore, 2015
Publisher version (URL)http://dx.doi.org/10.1142/9789814623995_0418
Identifiersdoi: 10.1142/9789814623995_0418
isbn: 978-9814612142
Appears in Collections:(CFMAC-IEM) Libros y partes de libros
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