Dirac and Friedmann observables in a quantum universe with radiation.
type: Item
instance of: scholarly article
title: Dirac and Friedmann observables in a quantum universe with radiation.
zbMATH Open document ID: 1041.83530
author: N. Delaunay
published in: Gravitation \& Cosmology
publication date: 2001-01-18T00:00:00Z
full work available at URL: https://arxiv.org/abs/gr-qc/9705036
Mathematics Subject Classification ID: 83F05
Mathematics Subject Classification ID: 83C45
zbMATH DE Number: 1495645
zbMATH Keywords: Friedmann observables
zbMATH Keywords: expanding universe
zbMATH Keywords: Dirac observables
zbMATH Keywords: generalized Hamiltonian approach
zbMATH Keywords: Friedmann universe with field excitations simulating radiation
zbMATH Keywords: gauge-free reduction
zbMATH Keywords: Hartle-Hawking functional integral
zbMATH Keywords: Wheeler-DeWitt wave function
zbMATH Keywords: observational cosmology
zbMATH Keywords: Narlikar conformal frame
MaRDI profile type: Publication
arXiv ID: gr-qc/9705036
description: scientific article