Point-splitting regularization of the stress tensor of a coupling scalar field in de Sitter space

DOI10.1088/1475-7516/2022/09/020OpenAlexW4280509140WikidataQ114096377 ScholiaQ114096377MaRDI QIDQ5041283

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Publication date: 13 October 2022

Published in: Journal of Cosmology and Astroparticle Physics (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/2205.04761

zbMATH Keywords

inflationdark energy theoryquantum fields in curved spacetimes

Mathematics Subject Classification ID

Ill-posedness and regularization problems in numerical linear algebra (65F22) Quantum field theory on curved space or space-time backgrounds (81T20) Einstein's equations (general structure, canonical formalism, Cauchy problems) (83C05) Methods of quantum field theory in general relativity and gravitational theory (83C47) Fundamental solutions, Green's function methods, etc. for initial value and initial-boundary value problems involving PDEs (65M80) Dark matter and dark energy (83C56)

Uses Software

• DLMF

Cites Work

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• Zeta function regularization of path integrals in curved spacetime
• Analytic spectra of CMB anisotropies and polarization generated by scalar perturbations in synchronous gauge
• Renormalization of a Classical Gravitational Field Interacting with Quantized Matter Fields
• Quantum Field Theory in Curved Spacetime
• Adiabatic regularization of power spectrum and stress tensor of relic gravitational wave without low-frequency distortion
• Renormalization of the inflationary perturbations revisited
• The cosmological constant problem
• Quantum Fields in Curved Space

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