Primordial perturbations in the Dapor-Liegener model of hybrid loop quantum cosmology

Autor:	Gomar, Laura Castelló, García-Quismondo, Alejandro, Marugán, Guillermo A. Mena
Rok vydání:	2020
Předmět:	General Relativity and Quantum Cosmology
Zdroj:	Phys. Rev. D 102, 083524 (2020)
Druh dokumentu:	Working Paper
DOI:	10.1103/PhysRevD.102.083524
Popis:	In this work, we extend the formalism of hybrid loop quantum cosmology for primordial perturbations around a flat, homogeneous, and isotropic universe to the new treatment of Friedmann-Lema\^itre-Robertson-Walker geometries proposed recently by Dapor and Liegener, based on an alternative regularization of the Hamiltonian constraint. In fact, our discussion is applicable also to other possible regularization schemes for loop quantum cosmology, although we specialize our analysis to the Dapor-Liegener proposal and construct explicitly all involved quantum operators for that case. Comment: 17 pages, updated to include the modifications resulting from the peer-review process
Databáze:	arXiv
Externí odkaz:	http://arxiv.org/abs/2002.01262 Zobrazit plný text záznamu View this record from Arxiv