https://doi.org/10.1140/epjc/s10052-024-13673-x
Regular Article - Theoretical Physics
Energy conditions in Gauss–Bonnet gravity
1
Scuola Superiore Meridionale, Largo San Marcellino 10, 80138, Naples, Italy
2
Compl. Univ. di Monte S. Angelo, INFN Sez. di Napoli, Edificio G, Via Cinthia, 80126, Naples, Italy
Received:
29
October
2024
Accepted:
30
November
2024
Published online:
20
December
2024
We study the Energy Conditions in modified 
gravity, with 
being the topological Gauss–Bonnet term. Then we use the cosmographic parameters to constrain the functional form of the gravitational action and investigate the possibility to have standard inflation in the early time. Specifically, we select models containing symmetries within the modified theory and obtain conditions for which (i) the energy conditions can be violated and (ii) the magnitude of the slow-roll parameters is small, thus suggesting that under given limits the analyzed theory can potentially trace the cosmic history both at early and at the late times.
© The Author(s) 2024
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