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Is Planckian discreteness observable in cosmology?

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arxiv 2405.12534 v2 pith:OSBBXSK7 submitted 2024-05-21 gr-qc astro-ph.HEhep-phhep-thquant-ph

classification gr-qcastro-ph.HEhep-phhep-thquant-ph
keywords quantumscalecosmologydiscretenessgravitybangdarkevoke
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A Planck scale inflationary era -- in a quantum gravity theory predicting discreteness of quantum geometry at the fundamental scale -- produces the scale invariant spectrum of inhomogeneities with very small tensor-to-scalar ratio of perturbations and a hot big bang leading to a natural dark matter genesis scenario. Here we evoke the possibility that some of the major puzzles in cosmology would have an explanation rooted in quantum gravity.

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Cited by 1 Pith paper

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

  1. Connecting Gravity and Quantum Physics: Primordial Black Holes and Accelerated Evolution of the Universe

    gr-qc 2024-11 reject novelty 4.0 of 10

    The paper asserts a photon Bose-Einstein condensate model of primordial black holes and uses it to derive cosmic dark matter, dark energy, and baryogenesis, but the derivations rest on ad hoc assumptions and contradic...

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