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Paper detail

Einstein-Cartan gravity with scalar-fermion interactions

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 accelerated expansion within the Einstein-Cartan theory. The exact analytical solution of the Einstein-Cartan-Dirac equations is found. This solution describes the accelerated expansion of the Universe with the equation of state parameter $w=-1$ as in the case of $Λ$CDM model.

preprint2011arXivOpen access
Olga RazinaYerlan MyrzakulovNurzhan SerikbayevGulgasyl NugmanovaRatbay Myrzakulov
astro-ph.COhep-phgr-qchep-th
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Olga RazinaYerlan MyrzakulovNurzhan SerikbayevGulgasyl NugmanovaRatbay Myrzakulov

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