Abstract <p> We consider a cosmological scenario in a Cuscuton theory with an additional scalar field consisting of the Genesis stage followed by the conventional expansion epoch. We discuss the physical scope of these multicomponent theories within early-time cosmology on general grounds and address the possible issues of stability at the perturbation level. </p>

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Cuscuton Genesis

  • V. E. Volkova,
  • S. A. Mironov

摘要

Abstract

We consider a cosmological scenario in a Cuscuton theory with an additional scalar field consisting of the Genesis stage followed by the conventional expansion epoch. We discuss the physical scope of these multicomponent theories within early-time cosmology on general grounds and address the possible issues of stability at the perturbation level.