Kazan Federal University Digital Repository

Browsing by Subject "cosmological perturbation theory"

Browsing by Subject "cosmological perturbation theory"

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  • Constant-roll inflation in f(T) teleparallel gravity 
    Awad A.; El Hanafy W.; Nashed G.; Odintsov S.; Oikonomou V. (2018)
    © 2018 IOP Publishing Ltd and Sissa Medialab. We investigate in detail the implications of the constant-roll condition on the inflationary era of a scalar field coupled to a teleparallel f(T) gravity. The resulting ...
  • Primordial features and Planck polarization 
    Hazra D.; Shafieloo A.; Smoot G.; Starobinsky A. (2016)
    © 2016 IOP Publishing Ltd and Sissa Medialab srl .With the Planck 2015 Cosmic Microwave Background (CMB) temperature and polarization data, we search for possible features in the primordial power spectrum (PPS). We revisit ...
  • The screening Horndeski cosmologies 
    Starobinsky A.; Sushkov S.; Volkov M. (2016)
    We present a systematic analysis of homogeneous and isotropic cosmologies in a particular Horndeski model with Galileon shift symmetry, containing also a Λ-term and a matter. The model, sometimes called Fab Five, admits a ...

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