The cosmic tetrarchy decomposes BAO-based measurements into four channels that isolate distinct assumptions to test whether the dimensionless sound-horizon ratio remains a single redshift-independent number.
Martinelliet al.(Euclid), Astron
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In symmetric teleparallel f(Q) gravity with nonminimal EM-nonmetricity coupling, the distance duality relation is dynamically violated, yielding a generalized formula relating observational distances to the Hubble rate.
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The cosmic tetrarchy: four estimators breaking the assumption degeneracy in cosmological distance tensions
The cosmic tetrarchy decomposes BAO-based measurements into four channels that isolate distinct assumptions to test whether the dimensionless sound-horizon ratio remains a single redshift-independent number.
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Distance duality relation in symmetric teleparallel gravity
In symmetric teleparallel f(Q) gravity with nonminimal EM-nonmetricity coupling, the distance duality relation is dynamically violated, yielding a generalized formula relating observational distances to the Hubble rate.