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Inflating and Reheating the Universe with an Independent Affine Connection

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arxiv 2207.08830 v2 pith:FVRLCW77 submitted 2022-07-18 hep-ph astro-ph.COgr-qchep-th

Inflating and Reheating the Universe with an Independent Affine Connection

Alberto Salvio This is my paper
classification hep-ph astro-ph.COgr-qchep-th
keywords affineconnectionindependentuniverseagreementbosonscomponentdecays
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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It is shown that a component of the dynamical affine connection, which is independent of the metric, can drive inflation in agreement with observations. This provides a geometrical origin for the inflaton. It is also found that the decays of this field, which has spin 0 and odd parity, into Higgs bosons can reheat the universe up to a sufficiently high temperature.

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Cited by 7 Pith papers

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

  1. Inflation and Reheating by Dynamical Torsion

    hep-ph 2026-07 conditional novelty 6.0

    The dynamical-torsion inflaton decays via chiral anomalies and Yukawa-assisted three-body channels, yielding a reheating temperature of 10^5–10^7 GeV and testable CMB/GW predictions.

  2. Quasi-pole inflation in metric-affine gravity

    gr-qc 2025-12 unverdicted novelty 6.0

    Non-minimal coupling of the inflaton to the Holst invariant in metric-affine gravity induces quasi-pole kinetics that generate an exponential plateau potential and Starobinsky-equivalent predictions regardless of the ...

  3. Natural Metric-Affine Inflation: Reloaded

    gr-qc 2026-05 unverdicted novelty 5.0

    Combining periodic non-minimal couplings to the Nieh-Yan term and Ricci scalar in metric-affine gravity makes natural inflation viable for sub-Planckian periodicity scales.

  4. Einstein-Cartan pseudoscalaron inflation, reheating and nonthermal leptogenesis

    astro-ph.CO 2026-05 unverdicted novelty 5.0

    Einstein-Cartan pseudoscalaron inflation coupled to type-I seesaw neutrinos makes nonthermal leptogenesis a necessary mechanism for the baryon asymmetry, yielding ns ~ 0.97, r ~ 0.004 and nB/s ~ 8.7e-11 for gamma ~ -1...

  5. Naturally Light Distortion

    gr-qc 2026-03 unverdicted novelty 5.0

    A naturally light scalar-like distortion field emerges in generalized gravity and mixes with the Higgs boson.

  6. Inflationary assessment of $F(\mathcal{R},\tilde{\mathcal{R}})$ Einstein-Cartan models

    gr-qc 2025-12 conditional novelty 5.0

    Adding cubic Holst-invariant terms to F(R,R̃) Einstein-Cartan inflation models systematically lowers the predicted spectral index n_s and tensor-to-scalar ratio r, restoring data compatibility in parameter regions whe...

  7. Reheating in geometric Weyl-invariant Einstein-Cartan gravity

    gr-qc 2026-01 unverdicted novelty 4.0

    Reheating temperature and equation-of-state parameter assumptions in Weyl-invariant Einstein-Cartan gravity models significantly alter predicted inflationary observables.