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Emergent de Sitter epoch of the loop quantum cosmos: A detailed analysis

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cris.lastimport.scopus2024-02-12T20:44:47Z
dc.abstract.enWe present a detailed analysis of a quantum model for loop quantum cosmology based on strict application of the Thiemann regularization algorithm for the Hamiltonian in loop quantum gravity, extending the results presented previously in our brief report. This construction leads to a qualitative modification of the bounce paradigm. Quantum gravity effects still lead to a quantum bounce connecting deterministically large classical universes. However, the evolution features a large epoch of de Sitter Universe, with emergent cosmological constant of Planckian order, smoothly transiting into a spatially flat expanding universe. Moreover, we present an effective Hamiltonian describing the quantum evolution to high accuracy and for which the dynamics can be solved analytically.
dc.affiliationUniwersytet Warszawski
dc.contributor.authorDapor, Andrea
dc.contributor.authorLiegener, Klaus
dc.contributor.authorPawłowski, Tomasz
dc.contributor.authorAssanioussi, Mehdi
dc.date.accessioned2024-01-24T22:46:58Z
dc.date.available2024-01-24T22:46:58Z
dc.date.issued2019
dc.description.financeNie dotyczy
dc.description.number8
dc.description.volume100
dc.identifier.doi10.1103/PHYSREVD.100.084003
dc.identifier.issn2470-0010
dc.identifier.urihttps://repozytorium.uw.edu.pl//handle/item/106102
dc.identifier.weblinkhttp://dx.doi.org/10.1103/PhysRevD.100.084003
dc.languageeng
dc.pbn.affiliationphysical sciences
dc.relation.ispartofPhysical Review D
dc.relation.pages084003-1-084003-35
dc.rightsClosedAccess
dc.sciencecloudnosend
dc.titleEmergent de Sitter epoch of the loop quantum cosmos: A detailed analysis
dc.typeJournalArticle
dspace.entity.typePublication