Higher-Curvature Corrections and Tensor Modes

1 Dec 2020 William Giarè Fabrizio Renzi Alessandro Melchiorri

Higher-curvature corrections to the effective gravitational action may leave signatures in the spectrum of primordial tensor perturbations if the inflationary energy scale is sufficiently high. In this paper we further investigate the effects of a coupling of the Inflaton field to higher-curvature tensors in models with a minimal breaking of conformal symmetry... (read more)

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Categories


  • COSMOLOGY AND NONGALACTIC ASTROPHYSICS
  • GENERAL RELATIVITY AND QUANTUM COSMOLOGY