No CMB-consistent CPL dark energy model can simultaneously fit both the BAOtr and DESI datasets; the 3.7-sigma disagreement at z=0.51 sets an irreducible floor.
Seven Hints That Early-Time New Physics Alone Is Not Sufficient to Solve the Hubble Tension.Universe, 9(9):393
3 Pith papers cite this work. Polarity classification is still indexing.
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Positive running of the spectral index is achievable in Einstein-Gauss-Bonnet gravity with viable inflation, unlike standard scalar field and F(R) models which face challenges.
Swampland-motivated priors on the slope and field range of an exponential quintessence potential in a curved universe produce a mild shift in the best-fit value of spatial curvature Ω_k from Planck, DESI BAO, and supernova observations.
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Positive Running of the Spectral Index for Scalar Theory and Modified Gravity
Positive running of the spectral index is achievable in Einstein-Gauss-Bonnet gravity with viable inflation, unlike standard scalar field and F(R) models which face challenges.
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Constraining Spatial Curvature with Priors from Swampland Conjectures
Swampland-motivated priors on the slope and field range of an exponential quintessence potential in a curved universe produce a mild shift in the best-fit value of spatial curvature Ω_k from Planck, DESI BAO, and supernova observations.