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G-essence cosmologies with scalar-fermion interactions

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Abstract

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 the such g-essence; some exact solutions of these models are found. Moreover, we reconstruct the corresponding scalar and fermionic potentials.

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Authors and Affiliations

  1. Eurasian International Center for Theoretical Physics, Eurasian National University, 010008, Astana, Kazakhstan

    Olga Razina, Yerlan Myrzakulov, Nurzhan Serikbayev, Shynaray Myrzakul, Gulgasyl Nugmanova & Ratbay Myrzakulov

  2. Department of Physics, CSU Fresno, 93740, Fresno, CA, USA

    Ratbay Myrzakulov

Authors
  1. Olga Razina
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  2. Yerlan Myrzakulov
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  3. Nurzhan Serikbayev
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  4. Shynaray Myrzakul
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  5. Gulgasyl Nugmanova
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  6. Ratbay Myrzakulov
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Corresponding author

Correspondence to Ratbay Myrzakulov.

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Razina, O., Myrzakulov, Y., Serikbayev, N. et al. G-essence cosmologies with scalar-fermion interactions. Eur. Phys. J. Plus 126, 85 (2011). https://doi.org/10.1140/epjp/i2011-11085-9

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  • DOI: https://doi.org/10.1140/epjp/i2011-11085-9

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