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Is Planckian discreteness observable in cosmology?
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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 2 Pith papers
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Connecting Gravity and Quantum Physics: Primordial Black Holes and Accelerated Evolution of the Universe
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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Planckeons as mouths of quantum wormholes and holographic origin of spacetime
Planckeons, treated as wormhole mouths on holographic surfaces, yield a lattice-gas model whose entropy matches black hole entropy only when the cell area is chosen by hand.
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