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- W2901495310 abstract "A warm-intermediate inflationary universe model is studied in the presence of the Galileon coupling $G(phi,X)=g(phi)X$. General conditions required for successful inflation are deduced and discussed from the background and cosmological perturbations under slow-roll approximation. In our analyze we assume that the dynamics of our model evolves accordingly two separate regimes, namely $3gdot{phi}Hgg 1+R$, i.e., when the Galileon term dominates over the standard kinetic term and the dissipative ratio, and secondly in the regime where both $3gdot{phi}H$ and $R$ become of the same order than unity. For these regimes and assuming that the coupling parameter $g=g_0=$ constant, we consider two different dissipative coefficients $Gamma$; one constant and the other being a function of the inflaton field. Furthermore, we find the allowed range in the space of parameters for our G-warm model by considering the latest data of Planck and also the BICEP2/Keck-Array data from the $r=r(n_s)$ plane, in combination with the conditions in which the Galileon term dominates and the thermal fluctuations of the inflaton field predominate over the quantum ones." @default.
- W2901495310 created "2018-11-29" @default.
- W2901495310 creator A5038120977 @default.
- W2901495310 creator A5045660535 @default.
- W2901495310 creator A5068302866 @default.
- W2901495310 date "2019-07-19" @default.
- W2901495310 modified "2023-09-27" @default.
- W2901495310 title "Warm <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline><mml:mi>G</mml:mi></mml:math> inflation: Intermediate model" @default.
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