Alpha-attractor quintessential inflation models are disfavored by DESI observations and Delta Neff limits from gravitational waves, as they predict an inconsistent scalar spectral index when the gravitational-wave abundance is constrained.
Linde, Phys
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In the Rényi holographic dark energy model, slow-roll inflation with power-law potentials n=0.2 and 0.3 fits ACT DR6 data for 50-55 e-folds while holographic inflation is ruled out.
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DESI and Gravitational Wave Constraints Challenge Quintessential {\alpha}-Attractor Inflation
Alpha-attractor quintessential inflation models are disfavored by DESI observations and Delta Neff limits from gravitational waves, as they predict an inconsistent scalar spectral index when the gravitational-wave abundance is constrained.
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Holographic inflation and slow-roll inflation within R\'enyi entropic framework in the light of ACT DR6
In the Rényi holographic dark energy model, slow-roll inflation with power-law potentials n=0.2 and 0.3 fits ACT DR6 data for 50-55 e-folds while holographic inflation is ruled out.