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Integrable Cosmological Models with an Arbitrary Number of Scalar Fields (2407.05002v2)
Published 6 Jul 2024 in gr-qc, astro-ph.CO, math-ph, and math.MP
Abstract: We consider cosmological models with an arbitrary number of scalar fields nonminimally coupled to gravity and construct new integrable cosmological models. In the constructed models, the Ricci scalar is an integral of motion irrespectively of the type of metric. The general solutions of evolution equations in the spatially flat FLRW metric have been found for models with the quartic potentials.
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