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Scale-invariant tensor spectrum from conformal gravity

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arxiv 1501.01749 v2 pith:GIX3LH3N submitted 2015-01-08 gr-qc hep-th

classification gr-qchep-th
keywords tensorconformalgravityscale-invariantspectrumcosmologicalduringgenerated
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abstract

We study cosmological tensor perturbations generated during de Sitter inflation in the conformal gravity with mass parameter $m^2=2H^2$. It turns out that tensor power spectrum is scale-invariant.

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Cited by 2 Pith papers

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

  1. Dark matter in scale-invariant gravity with hidden-sector condensation

    hep-ph 2026-08 conditional novelty 6.0 of 10

    A scale-invariant quadratic gravity plus hidden QCD-like sector can generate the Planck and electroweak scales, realize Starobinsky inflation, and produce dark matter from scalaron decay, with candidate masses around ...

  2. Primordial Gravitational Waves in Quadratic Gravity

    gr-qc 2025-02 unverdicted novelty 6.0 of 10

    In quadratic gravity, the inflationary tensor power spectrum is suppressed by (1 + 2H_*^2/m_gh^2)^{-1}, which restores the standard consistency relation r = -8n_t.

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