A complete dynamical-systems stability map for five non-minimally coupled scalar-field dark-energy models, including the negative-potential regime that generically drives the universe to H=0.
Cosmic Inflation: Trick or Treat?
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abstract
Discovered almost forty years ago, inflation has become the leading paradigm for the early universe. Originally invented to avoid the fine-tuning puzzles of the standard model of cosmology, the so-called hot Big Bang phase, inflation has always been the subject of intense debates. In this article, after a brief review of the theoretical and observational status of inflation, we discuss the criticisms that have been expressed against it and attempt to assess whether inflation can really be viewed as a successful solution to the above mentioned issues.
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Non-minimally coupled scalar field dark sector of the universe: in-depth (Einstein frame) case study
A complete dynamical-systems stability map for five non-minimally coupled scalar-field dark-energy models, including the negative-potential regime that generically drives the universe to H=0.