Return of the Boltzmann brains

@inproceedings{Page2008ReturnOT,
  title={Return of the Boltzmann brains},
  author={Don Nelson Page},
  year={2008}
}
  • Don Nelson Page
  • Published 2008
  • Physics
  • Linde in J. Cosmol. Astropart. Phys. 01 (2007) 022 shows that some (though not all) versions of the global (volume-weighted) description avoid the 'Boltzmann brain' problem raised by Page [Phys. Rev. D 78, 063535 (2008)] if the universe does not have a decay time less than 20 Gyr. Here I give an apparently natural version of the volume-weighted description in which the problem persists, highlighting the ambiguity of taking the ratios of infinite volumes that appear to arise from eternal… CONTINUE READING

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