G-essence cosmologies with scalar-fermion interactions

Details G-essence cosmologies with scalar-fermion interactions G-essence cosmologies with scalar-fermion interactions

2011-01-04

arxiv.org/abs/1101.0729v2

Eur. Phys. J. Plus (2011) 126: 85

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

6 pages, references added

Scientific paper

10.1140/epjp/i2011-11085-9

We study the two particular models of g-essence with Yukawa type interactions
between a scalar field $\phi$ and a classical Dirac field $\psi$. 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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