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The phantom bounce: A new oscillating cosmology

  • University of Michigan, Ann Arbor

Research output: Contribution to journalArticlepeer-review

57 Scopus citations

Abstract

An oscillating universe cycles through a series of expansions and contractions. We propose a model in which 'phantom' energy with p<-ρ grows rapidly and dominates the late-time expanding phase. The universe's energy density is so large that the effects of quantum gravity are important at both the beginning and the end of each expansion (or contraction). The bounce can be caused by high energy modifications to the Friedmann equation, which make the cosmology non-singular. The classic black hole overproduction of oscillating universes is resolved due to their destruction by the phantom energy.

Original languageEnglish
Article number002
JournalJournal of Cosmology and Astroparticle Physics
Volume2008
Issue number3
DOIs
StatePublished - Mar 1 2008

Keywords

  • Cosmology of theories beyond the SM
  • Trans-Planckian physics

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