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Inflation and Reheating through an Independent Affine Connection

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arxiv 2311.02902 v1 pith:KBNDF5DR submitted 2023-11-06 hep-ph astro-ph.COgr-qchep-th

classification hep-phastro-ph.COgr-qchep-th
keywords affineconnectionindependentinflationagreementbosonscomponentdecays
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This paper is based on a talk in which I discussed how a component of the dynamical affine connection, that is independent of the metric, can drive inflation in agreement with observations. This provides a geometrical origin for the inflaton. I also illustrated how the decays of this field, which has spin 0 and odd parity, into Higgs bosons can reheat the universe to a sufficiently high temperature.

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Forward citations

Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Intrinsic Torsion, Extrinsic Torsion, and the Hubble Parameter

    gr-qc 2024-12 conditional novelty 5.0 of 10

    The second fundamental form of a spatial slice in a torsional spacetime is a sum of the Hubble term and an extrinsic torsion term, producing a negative bias in Hubble estimates when torsion is neglected.

  2. Geometrical origin of inflation in Weyl-invariant Einstein-Cartan gravity

    gr-qc 2025-01 conditional novelty 4.0 of 10

    The scalar mode of Weyl-invariant Einstein-Cartan quadratic gravity yields the same inflationary potential as pseudoscalaron inflation and can fit CMB data for large parameter q.

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