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Título: | Loop quantum cosmology from group field theory |
Autor: | Calcagni, Gianluca CSIC ORCID | Fecha de publicación: | 2014 | Editor: | American Physical Society | Citación: | Physical Review D - Particles, Fields, Gravitation and Cosmology 90: 064047 (2014) | Resumen: | © 2014 American Physical Society. We show that the effective dynamics of the recently proposed isotropic condensate state of group field theory with Laplacian kinetic operator can be equivalent to that of homogeneous and isotropic loop quantum cosmology in the improved dynamics quantization scheme, where the area of elementary holonomy plaquettes is constant. This constitutes a somewhat surprising example of a cosmological model of quantum gravity where the operations of minisuperspace symmetry reduction and quantization can actually commute. | Descripción: | 5 pags. ; PACS numbers: 04.60.Pp, 04.60.-m, 98.80.Qc | URI: | http://hdl.handle.net/10261/110323 | DOI: | 10.1103/PhysRevD.90.064047 | Identificadores: | doi: 10.1103/PhysRevD.90.064047 issn: 1550-2368 |
Aparece en las colecciones: | (CFMAC-IEM) Artículos |
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