Slow rolling down the curvature: a reassessment of the Planck constraints on �2 inflation in a closed universe

Specogna, E. orcid.org/0009-0005-6764-2555, Vardanyan, T. orcid.org/0000-0001-5992-3844, Giarè, W. orcid.org/0000-0002-4012-9285 et al. (1 more author) (2026) Slow rolling down the curvature: a reassessment of the Planck constraints on �2 inflation in a closed universe. Physical Review D, 113 (12). 123526. ISSN: 2470-0010

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Item Type: Article
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© 2026 The Authors. This is an Open Access article distributed under the terms of the Creative Commons Attribution Licence (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Keywords: Cosmic microwave background; Cosmological parameters; Inflation
Dates:
  • Accepted: 12 May 2026
  • Published (online): 12 June 2026
  • Published: 12 June 2026
Institution: The University of Sheffield
Academic Units: The University of Sheffield > Faculty of Science (Sheffield) > School of Mathematical and Physical Sciences
Funding Information:
Funder
Grant number
SCIENCE AND TECHNOLOGY FACILITIES COUNCIL
ST/X000621/1
Date Deposited: 14 Jul 2026 09:40
Last Modified: 14 Jul 2026 09:40
Published Version: https://doi.org/10.1103/dy2d-z3cc
Status: Published
Publisher: American Physical Society (APS)
Refereed: Yes
Identification Number: 10.1103/dy2d-z3cc
Open Archives Initiative ID (OAI ID):

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