SIGNS AND COSMOLOGY

DOI10.1142/S0218271812420084zbMath1266.83179arXiv1205.3800OpenAlexW2141086793MaRDI QIDQ4919702

Arundhati Dasgupta, Adamantia Zampeli

Publication date: 15 May 2013

Published in: International Journal of Modern Physics D (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1205.3800

zbMATH Keywords

quantum gravitycosmologyWKBWentzel-Kramers-Brillouinphantom scalar fieldssemi-classical WKB approximation for quantum cosmology

Mathematics Subject Classification ID

Relativistic cosmology (83F05) Quantum field theory on curved space or space-time backgrounds (81T20) Quantization of the gravitational field (83C45) Einstein's equations (general structure, canonical formalism, Cauchy problems) (83C05)

Cites Work

• The gravitational path integral and the trace of the diffeomorphisms
• The path integral measure, conformal factor problem and stability of the ground state of quantum gravity
• A proper-time cure for the conformal sickness in quantum gravity

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