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Título: | Loop quantization of the Gowdy model with local rotational symmetry |
Autor: | Martín de Blas, Daniel CSIC; Olmedo, Javier CSIC ORCID; Pawlowski, Tomasz CSIC ORCID | Fecha de publicación: | 28-nov-2017 | Editor: | American Physical Society | Citación: | Physical Review D 96: 106016 (2017) | Resumen: | We provide a full quantization of the vacuum Gowdy model with local rotational symmetry. We consider a redefinition of the constraints where the Hamiltonian Poisson-commutes with itself. We then apply the canonical quantization program of loop quantum gravity within an improved dynamics scheme. We identify the exact solutions of the constraints and the physical observables, and we construct the physical Hilbert space. It is remarkable that quantum spacetimes are free of singularities. New quantum observables naturally arising in the treatment partially codify the discretization of the geometry. The preliminary analysis of the asymptotic future/past of the evolution indicates that the existing Abelianization technique needs further refinement. | Descripción: | 21 pags., 2 apps. | Versión del editor: | https://doi.org/10.1103/PhysRevD.96.106016 | URI: | http://hdl.handle.net/10261/161510 | DOI: | 10.1103/PhysRevD.96.106016 | Identificadores: | doi: 10.1103/PhysRevD.96.106016 issn: 2470-0029 |
Aparece en las colecciones: | (CFMAC-IEM) Artículos |
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Loop quantization.pdf | 334,22 kB | Adobe PDF | Visualizar/Abrir |
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