Pre-Big-Bang Black-Hole Remnants and Past Low Entropy

Abstract : Dark matter could be composed by black-hole remnants formed before the big-bang era in a bouncing cosmology. This hypothetical scenario has implications on the issue of the arrow of time: it upsets a common attribution of past low entropy to the state of the geometry and suggests a possible realisation of the perspectival interpretation of past low entropy.
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Submitted on : Monday, May 28, 2018 - 10:35:44 PM
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Carlo Rovelli, Francesca Vidotto. Pre-Big-Bang Black-Hole Remnants and Past Low Entropy. Universe, 2018, 4 (11), pp.129. ⟨10.3390/universe4110129⟩. ⟨hal-01802057⟩



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