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- W4287019660 abstract "In this paper, we analyse the JLA data on Supernova observations in the context of $k-$essence dark energy model with Lagrangian $L=VF(X)$, with a constant potential $V$ and the dynamical term $X = (1/2)nabla_{mu}phinabla_{nu}phi = dot{phi}^2/2$ for a homogeneous scalar field $phi(t)$, in a flat FRW spacetime background. Scaling relations are used to extract temporal behaviour of different cosmological quantities and the form of the function $F(X)$ from the data. We explore how the parameters of the model, viz. value of the constant potential $V$ and a constant $C$ appearing in the emergent scaling relation, control the dynamics of the model in the context of JLA data, by setting up and analysing an equivalent dynamical system described by a set of autonomous equations." @default.
- W4287019660 created "2022-07-25" @default.
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- W4287019660 date "2022-04-01" @default.
- W4287019660 modified "2023-09-27" @default.
- W4287019660 title "Dynamical analysis of k-essence cosmology in the light of Supernova Ia observations" @default.
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- W4287019660 doi "https://doi.org/10.1140/epjp/s13360-022-02747-y" @default.
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