Articles with "sign kinetic" as a keyword



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Phantom scalar-tensor models and cosmological tensions

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Published in 2023 at "Journal of Cosmology and Astroparticle Physics"

DOI: 10.1088/1475-7516/2023/04/029

Abstract: We study three different extended scalar-tensor theories of gravity by also allowing a negative sign for the kinetic term for the scalar field in the Jordan frame. Our scope is to understand how the observational… read more here.

Keywords: scalar tensor; term; sign kinetic; kinetic term ... See more keywords