Auflistung nach Schlagwort "modified gravity"

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  • Analytic extensions of Starobinsky model of inflation 
    Ivanov, Vsevolod R.; Ketov, Sergei V.; Pozdeeva, Ekaterina O.; Vernov, Sergey Y. (London : IOP, 2022)
    We study several extensions of the Starobinsky model of inflation, which obey all observational constraints on the inflationary parameters, by demanding that both the inflaton scalar potential in the Einstein frame and the ...
  • Disformal symmetry in the Universe: mimetic gravity and beyond 
    Domènech, Guillem; Ganz, Alexander (London : IOP, 2023)
    Symmetries play an important role in fundamental physics. In gravity and field theories, particular attention has been paid to Weyl (or conformal) symmetry. However, once the theory contains a scalar field, conformal ...