Extended quintessence, inflation, and stable de Sitter spaces
Valerio Faraoni, Michael N. Jensen (Bishop's University)
TL;DR
This paper introduces a new gauge-invariant stability criterion for de Sitter space, applying it to dark energy and inflation models within scalar-tensor gravity to extend previous stability analyses.
Contribution
It presents a novel gauge-invariant criterion for stability analysis in scalar-tensor gravity, broadening the understanding of de Sitter space stability in cosmological scenarios.
Findings
Extended stability conditions for de Sitter space.
Applicable to dark energy and inflation models.
Enhanced understanding of inhomogeneous perturbation stability.
Abstract
A new gauge-invariant criterion for stability against inhomogeneous perturbations of de Sitter space is applied to scenarios of dark energy and inflation in scalar-tensor gravity. The results extend previous studies.
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