Non-Gaussianities and tensor-to-scalar ratio in non-local \(R^2\)-like inflation

DOI10.1007/JHEP06(2020)152zbMath1437.83166arXiv2003.00629OpenAlexW3104479888MaRDI QIDQ783961

Anupam Mazumdar, Alexey S. Koshelev, K. Sravan Kumar, Alexei A. Starobinsky

Publication date: 4 August 2020

Published in: Journal of High Energy Physics (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/2003.00629

zbMATH Keywords

Weyl tensormodels of quantum gravitycosmology of theories beyond the SMStarobinsky-inflation

Mathematics Subject Classification ID

Relativistic cosmology (83F05) Applications of statistics to physics (62P35) Quantization of the gravitational field (83C45) Applications of differential geometry to physics (53Z05) Relativistic gravitational theories other than Einstein's, including asymmetric field theories (83D05) Approximation procedures, weak fields in general relativity and gravitational theory (83C25) Astrophysical cosmology (85A40)

Related Items (13)

Modified Starobinsky inflation by the R ln (□) R term ⋮ Quadratic gravity potentials in de Sitter spacetime from Feynman diagrams ⋮ Non-Gaussianities in generalized non-local \(R^2\)-like inflation ⋮ Generalized non-local \(R^2\)-like inflation ⋮ Topological defects in nonlocal field theories ⋮ Nonlocal de Sitter gravity and its exact cosmological solutions ⋮ Predictions of quantum gravity in inflationary cosmology: effects of the Weyl-squared term ⋮ Unattainability of the trans-Planckian regime in nonlocal quantum gravity ⋮ Mass gap in strongly coupled infinite derivative non-local Higgs: Dyson–Schwinger approach ⋮ Mimetic inflation ⋮ Stochastic gravitational-wave background in quantum gravity ⋮ An anisotropic bouncing universe in non-local gravity ⋮ On the superstring-inspired quantum correction to the Starobinsky model of inflation

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