Fractional cosmology modifies density perturbation growth via parameter α, yielding a new upper bound α ≲ 1.07 from σ8 normalization and Sachs-Wolfe constraints.
Calcagni, Journal of High Energy Physics2010(3), 120 (2010)
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Evolution of density perturbations in fractional cosmology
Fractional cosmology modifies density perturbation growth via parameter α, yielding a new upper bound α ≲ 1.07 from σ8 normalization and Sachs-Wolfe constraints.