Light-mass Galileon models with cubic interactions and three tested potentials have no stable late-time accelerating attractors in phase space, unlike quintessence which has stable de-Sitter attractors for cosh potentials.
Tsujikawa, Phys
2 Pith papers cite this work, alongside 6 external citations. Polarity classification is still indexing.
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DESI data hint that dark energy evolves (w0>−1, wa<0, phantom crossing) at 2.5–4.2σ, but the same expansion history can also be produced by interacting dark sectors, modified gravity, or non-cold dark matter.
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Galileon versus Quintessence: A comparative phase space analysis and late-time cosmic relevance
Light-mass Galileon models with cubic interactions and three tested potentials have no stable late-time accelerating attractors in phase space, unlike quintessence which has stable de-Sitter attractors for cosh potentials.
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Dark Energy in the DESI Era: A Brief Review of Evidence, Beyond-$\Lambda$CDM Interpretations, and Tensions
DESI data hint that dark energy evolves (w0>−1, wa<0, phantom crossing) at 2.5–4.2σ, but the same expansion history can also be produced by interacting dark sectors, modified gravity, or non-cold dark matter.