121 citations
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Showing astro-ph.COShow all
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astro-ph.CO2021★ 1 cited
Cosmic evolution in DHOST theories with scaling solutions
Wittaya Thipaksorn, Khamphee Karwan
We study cosmic evolution based on the fixed points in the dynamical analysis of the Degenerate Higher-Order Scalar-Tensor (DHOST) theories. We consider the DHOST theory in which t…
astro-ph.CO2012★ 12 cited
Scalar field power-law cosmology with spatial curvature and dark energy-dark matter interaction
Burin Gumjudpai, Kiattisak Thepsuriya
We consider a late closed universe of which scale factor is a power function of time using observational data from combined WMAP5+BAO+SNIa dataset and WMAP5 dataset. The WMAP5 data…
astro-ph.CO2010★ 6 cited
Dynamics of entropy perturbations in assisted dark energy with mixed kinetic terms
Khamphee Karwan
We study dynamics of entropy perturbations in the two-field assisted dark energy model. Based on the scenario of assisted dark energy, in which one scalar field is subdominant comp…