Predictions
Predictions
Every distinct observational channel for testing bounce cosmology against inflation — its current constraint, its evidence grade, and what would decide it.
fNL = -35/16 = -2.1875flagship signal
4channels
SPHERExnext decisive test
Galaxy Bispectrum fNLP2 is the lead theoretical result: under its stated matter-contraction assumptions, it derives f_NL = -35/16 = -2.1875. A future non-Gaussianity measurement can…derivedfNL = -35/16 = -2.1875ALP BirefringenceA model-dependent ALP field-evolution calculation motivates a β value near 0.27°. Existing birefringence measurements have systematic and model-dependence quest…openConditional β model valueNANOGrav GW BackgroundA historic simplified comparison placed a matter-bounce slope near an external free-spectrum estimate under specific modeling choices. It cannot identify the or…openγ = 3.0Quintom w-CrossingThe quintom bounce unifies the bounce with dark energy through phantom fields. It predicts the dark energy equation of state w(z) crosses −1 (quintom-B behavior…openw(z) crosses w = −1