Is the Big Rip unreachable?
arXiv:1807.01587 · doi:10.1016/j.physletb.2018.08.040
Abstract
I investigate the repercussions of particle production when the Universe is dominated by a hypothetical phantom substance. I show that backreaction due to particle production prevents the density from shooting to infinity at a Big Rip, but instead forces it to stabilise at a large constant value. Afterwards there is a period of de-Sitter inflation. I speculate that this might lead to a cyclic Universe.
arXiv comment9 pages, 2 figures. Published version
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- Cosmological Particle Production: A Review
- Big Bounce cosmology for Palatini gravity with a Nieh-Yan term
- Big-bounce and future time singularity resolution in Bianchi I: the projective invariant Nieh-Yan case
- Challenging matter creation models in the phantom divide
- Modeling holographic dark energy with particle and future horizons