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hep-th2024★ 5 cited
Inflation in non-local hybrid metric-Palatini gravity
Flavio Bombacigno, Mariaveronica De Angelis, Carsten van de Bruck +1
Within the framework of hybrid metric-Palatini gravity, we incorporate non-localities introduced via the inverse of the d'Alembert operators acting on the scalar curvature. We anal…
hep-th2024★ 4 cited
Gravitational waves in a cyclic Universe: resilience through cycles and vacuum state
Mariaveronica De Angelis, Adam Smith, William Giarè +1
We present a generalised calculation for the spectrum of primordial tensor perturbations in a cyclic Universe, making no assumptions about the vacuum state of the theory and accoun…