The phantom bounce: a new oscillating cosmology
Journal Article
·
· Journal of Cosmology and Astroparticle Physics
- Michigan Center for Theoretical Physics, Department of Physics, University of Michigan, Ann Arbor, MI 48109 (United States)
An oscillating universe cycles through a series of expansions and contractions. We propose a model in which 'phantom' energy with p<-{rho} 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.
- OSTI ID:
- 22137800
- Journal Information:
- Journal of Cosmology and Astroparticle Physics, Vol. 2008, Issue 03; Other Information: Country of input: International Atomic Energy Agency (IAEA); ISSN 1475-7516
- Country of Publication:
- United States
- Language:
- English
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