Eternal observers and bubble abundances in the landscape

@inproceedings{Vanchurin2006EternalOA,
  title={Eternal observers and bubble abundances in the landscape},
  author={Vitaly Vanchurin and Alexander Vilenkin},
  year={2006}
}
We study a class of “landscape” models in which all vacua have positive energy density, so that inflation never ends and bubbles of different vacua are endlessly “recycled”. In such models, each geodesic observer passes through an infinite sequence of bubbles, visiting all possible kinds of vacua. The bubble abundance pj can then be defined as the frequency at which bubbles of type j are visited along the worldline of an observer. We compare this definition with the recently proposed general… CONTINUE READING

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