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Theories of gravity with nonminimal matter-curvature coupling and the de Sitter swampland conjectures (2301.02109v1)
Published 5 Jan 2023 in gr-qc and astro-ph.CO
Abstract: We discuss, in the context of alternative theories of gravity with nonminimal coupling between matter and curvature, if inflationary solutions driven by a single scalar field can be reconciled with the swampland conjectures about the emergence of de Sitter solutions in string theory. We find that the slow-roll conditions are incompatible with the swampland conjectures for a fairly generic inflationary solution in such alternative theories of gravity.
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