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

Authors
  • rovelli, carlo
  • vidotto, francesca
Publication Date
Nov 18, 2018
Identifiers
DOI: 10.3390/universe4110129
OAI: oai:mdpi.com:/2218-1997/4/11/129/
Source
MDPI
Keywords
Language
English
License
Green
External links

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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