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Emergent cosmology, inflation and dark energy

Herrera, Ramón; Guendelman, Eduardo; Labrana, Pedro +2 more

A new class of gravity-matter models defined in terms of two independent non-Riemannian volume forms (alternative generally covariant integration measure densities) on the space-time manifold are studied in some detail. These models involve an additional (square of the scalar curvature) term as well as scalar matter field potentials of appropriate…