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Improved cosmological fits with quantized primordial power spectra

Abstract:

We observationally examine cosmological models based on primordial power spectra with quantized wave vectors. Introducing a linearly quantized power spectrum with k0=3.225×10-4 Mpc-1 and spacing Δk=2.257×10-4 Mpc-1 provides a better fit to the Planck 2018 observations than the concordance baseline, with Δχ2=-8.55. Extending the results of Lasenby et al. [preceding paper, Perturbations and the future conformal boundary, Phys. Rev. D 105, 083514 (2022)PRVDAQ2470-001010.1103/PhysRevD.105.083514]...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1103/PhysRevD.105.083515

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Astrophysics
Oxford college:
Oriel College
Role:
Author
ORCID:
0000-0001-9426-7723
Publisher:
American Physical Society
Journal:
Physical Review D More from this journal
Volume:
105
Issue:
8
Article number:
83515
Publication date:
2022-04-19
Acceptance date:
2022-02-22
DOI:
EISSN:
2470-0029
ISSN:
2470-0010
Language:
English
Keywords:
Pubs id:
1171583
Local pid:
pubs:1171583
Deposit date:
2023-02-20

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