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Is the Big Rip unreachable?

Research output: Contribution to journalJournal article

Published
<mark>Journal publication date</mark>10/10/2018
<mark>Journal</mark>Physics Letters B
Volume785
Number of pages4
Pages (from-to)132-135
Publication StatusPublished
Early online date24/08/18
<mark>Original language</mark>English

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.