A conformally coupled massive scalar field in the de Sitter expanding universe with the mass term treated as a perturbation

DOI10.1088/0264-9381/26/13/135019zbMath1171.83325arXiv0903.3881OpenAlexW1979854170MaRDI QIDQ3391663

Atsushi Higuchi, Lee Yen Cheong

Publication date: 12 August 2009

Published in: Classical and Quantum Gravity (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/0903.3881

Mathematics Subject Classification ID

Relativistic cosmology (83F05) Methods of quantum field theory in general relativity and gravitational theory (83C47) Approximation procedures, weak fields in general relativity and gravitational theory (83C25)

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The IR stability of de Sitter QFT: Physical initial conditions ⋮ LECTURE NOTES ON INTERACTING QUANTUM FIELDS IN DE SITTER SPACE ⋮ IR divergences and kinetic equation in de Sitter space. (Poincaré patch; principal series) ⋮ Quantum corrections for spinning particles in de Sitter

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