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- W3213259729 abstract "We study models of non-minimally coupled relativistic fluid and $k$-essence scalar field in the background of a flat Friedmann-Lemaitre-Robertson-Walker universe. The non-minimal coupling term is introduced in the Lagrangian level. We employ the variational approach with respect to independent variables that produce modified $k-$essence field equations and the Friedmann equations. We have analyzed the coupled field-fluid framework explicitly using the dynamical system technique considering two different models based on inverse power-law potential. After examining these models it is seen that both models are capable of producing accelerating attractor solutions satisfying adiabatic sound speed conditions." @default.
- W3213259729 created "2021-11-22" @default.
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- W3213259729 date "2021-11-10" @default.
- W3213259729 modified "2023-09-23" @default.
- W3213259729 title "Dynamical stability of the <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline><mml:mi>k</mml:mi></mml:math> -essence field interacting nonminimally with a perfect fluid" @default.
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- W3213259729 doi "https://doi.org/10.1103/physrevd.104.103505" @default.
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