Browsing Физико-технический факультет by Subject "k-essence"

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Browsing Физико-технический факультет by Subject "k-essence"

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  • Kazuharu Bamba; Olga Razina; Koblandy Yerzhanov; Ratbay Myrzakulov (2013-04-29)
    We explore the cosmological evolution of equation of state (EoS) for dark energy in g-essence models, the action of which is described by a function of both the canonical kinetic term of both the scalar and fermionic fields. ...
  • Kazuharu Bamba; Olga Razina; Koblandy Yerzhanov; Ratbay Myrzakulov (2013-06-19)
    We explore the cosmological evolution of equation of state (EoS) for dark energy in g-essence models, the action of which is described by a function of both the canonical kinetic term of both the scalar and fermionic fields. ...
  • Ratbay Myrzakulov (2013-04-19)
    This a brief review on F (T ) gravity and its relation with k-essence. Modified teleparallel gravity theory with the torsion scalar has recently gained a lot of attention as a possible explanation of dark energy. We ...
  • Olga Razina; Yerlan Myrzakulov; Nurzhan Ser kbayev; G lgasyl Nugmanova; Ratbay Myrzakulov (2013-04-25)
    In this paper, we have considered the g-essence and its particular cases, k-essence and f-essence, within the framework of the Einstein-Cartan theory. We have shown that a single fermionic field can give rise to the ...
  • Ratbay Myrzakulov (2013-04-22)
    Modified teleparallel gravity theory with the torsion scalar has recently gained a lot of attention as a possible candidate of dark energy.We perform a thorough reconstruction analysis on the so-called F(T ) models, where ...
  • Olga Razina; Yerlan Myrzakulov; Nurzhan Serikbayev; Shynaray Myrzakul; Gulgasyl Nugmanova; Ratbay Myrzakulov (2013-04-29)
    We study the two particular models of g-essence with Yukawa type interactions between a scalar field φ and a classical Dirac field ψ. For the homogeneous, isotropic and flat Friedmann-Robertson-Walker universe filled with ...
  • Razina Olga; Myrzakulov Yerlan; Serikbayev Nurzhan (2012-06-30)
    We study the two particular models of g-essence with Yukawa type interactions between a scalar field _ and a classical Dirac field . For the homogeneous, isotropic and flat Friedmann- Robertson-Walker universe filled ...
  • P.Yu.Tsyba; I.I. Kulnazarov; K.K. Yerzhanov; R. Myrzakulov (2013-05-15)
    In this paper, we consider three types of k-essence. These k-essence models were presented in the parametric forms. The exact analytical solutions of the corresponding equations of motion are found. It is shown that these ...
  • M. Sharif; K. Yesmakhanova; S. Rani; R. Myrzakulov (2013-04-22)
    This paper is devoted to the investigation of the modified Chaplygin gas model in the context of solvable kessence cosmologies. For this purpose, we construct equations of state parameter of this model for some ...

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