Browsing 03. Статьи by Subject "dark energy"

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Browsing 03. Статьи by Subject "dark energy"

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  • Elizalde, E.; Odintsov, S.D.; Sebastiani, L.; Myrzakulov, R. (Nuclear Physics B, 2017-08)
    A unified description of early-time inflation with the current cosmic acceleration is achieved by means of a new theory that uses a quadratic model of gravity, with the inclusion of an exponential F(R)-gravity contribution ...
  • Mishra, B.; Ray, Pratik P; Myrzakulov, R. (European Physical Journal C, 2019-01-01)
    In this paper, we have constructed the cosmological model of the universe in a two-fluid environment with a newly developed mathematical formalism. In order to construct the model, Binachi type V (BV) space time ...
  • Shahalam, M.; Yang, Weiqiang; Myrzakulov, R.; Wang, Anzhong (European physical journal C, 2017)
    In this letter, we study the cosmological dynamics of steeper potential than exponential. Our analysis shows that a simple extension of an exponential potential allows to capture late-time cosmic acceleration and retain ...
  • Agarwal, Abhineet; Myrzakulov, R.; Sami, M.; Singh, Naveen K. (Physics letters B, 2017-07)
    We study quintessential inflation with an inverse hyperbolic type potential V(phi) = V-0/cosh (phi(n)/lambda(n)), where V-0, lambda and "n" are parameters of the theory. We obtain a bound on lambda for different values of ...

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