Is Planckian Discreteness Observable in Cosmology?
Copyright policy )Is Planckian Discreteness Observable in Cosmology?
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 a 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.
- Université de Toulon France
- Universidid De Buenos Aires Argentina
- University of Buenos Aires Argentina
- National Scientific and Technical Research Council Argentina
- French National Centre for Scientific Research France
High Energy Physics - Theory, cosmological model, quantum cosmology, FOS: Physical sciences, scale, Planck, QC793-793.5, General Relativity and Quantum Cosmology (gr-qc), dark matter, General Relativity and Quantum Cosmology, High Energy Physics - Phenomenology (hep-ph), INFLATION, EARLY UNIVERSE, https://purl.org/becyt/ford/1.3, quantum geometry, inflation, https://purl.org/becyt/ford/1, High Energy Astrophysical Phenomena (astro-ph.HE), Quantum Physics, [PHYS.GRQC] Physics [physics]/General Relativity and Quantum Cosmology [gr-qc], scaling, big bang, Elementary particle physics, perturbation, ratio, early universe, [PHYS.HPHE] Physics [physics]/High Energy Physics - Phenomenology [hep-ph], High Energy Physics - Phenomenology, High Energy Physics - Theory (hep-th), quantum gravity, scale, inflation, QUANTUM COSMOLOGY, [PHYS.HTHE] Physics [physics]/High Energy Physics - Theory [hep-th], Astrophysics - High Energy Astrophysical Phenomena, Quantum Physics (quant-ph)
High Energy Physics - Theory, cosmological model, quantum cosmology, FOS: Physical sciences, scale, Planck, QC793-793.5, General Relativity and Quantum Cosmology (gr-qc), dark matter, General Relativity and Quantum Cosmology, High Energy Physics - Phenomenology (hep-ph), INFLATION, EARLY UNIVERSE, https://purl.org/becyt/ford/1.3, quantum geometry, inflation, https://purl.org/becyt/ford/1, High Energy Astrophysical Phenomena (astro-ph.HE), Quantum Physics, [PHYS.GRQC] Physics [physics]/General Relativity and Quantum Cosmology [gr-qc], scaling, big bang, Elementary particle physics, perturbation, ratio, early universe, [PHYS.HPHE] Physics [physics]/High Energy Physics - Phenomenology [hep-ph], High Energy Physics - Phenomenology, High Energy Physics - Theory (hep-th), quantum gravity, scale, inflation, QUANTUM COSMOLOGY, [PHYS.HTHE] Physics [physics]/High Energy Physics - Theory [hep-th], Astrophysics - High Energy Astrophysical Phenomena, Quantum Physics (quant-ph)
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