Damped harmonic oscillator dark energy EoS fitted to CMB+BAO+BBN+chronometers+SNIa data yields H0 values reducing tension to 1.4 sigma for DESY5/Union3 while Pantheon+ prefers near-critical damping; Bayesian evidence inconclusive vs LambdaCDM.
Arendse, et al., Astron
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Damped Harmonic Oscillator Dark Energy and the Hubble Tension
Damped harmonic oscillator dark energy EoS fitted to CMB+BAO+BBN+chronometers+SNIa data yields H0 values reducing tension to 1.4 sigma for DESY5/Union3 while Pantheon+ prefers near-critical damping; Bayesian evidence inconclusive vs LambdaCDM.