On the stability of de Sitter inflationary solution in the Starobinsky-Bel-Robinson gravity
arXiv:2507.06270 · doi:10.1088/1742-6596/3040/1/012005
Abstract
We will present the way to derive a de Sitter inflationary solution within the so-called Starobinsky-Bel-Robinson gravity. Then, we will show by using the dynamical system method whether the obtained solution is stable or not. According to the stability of the de Sitter inflationary solution, we could judge which phase of our universe, among the two early and late-time phases, is more appropriate for this solution.
6 pages, 0 figure. This is a brief summary of isotropic part of our recent paper 2303.17283. To appear in the Proceedings of PIAS workshop 2024: Physics at different scales (PIAS 2024) at Hanoi, Vietnam, 16 Nov., 2024
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