Fitting the Lambert W dark-fluid EoS to DESI BAO + Pantheon+ + cosmic chronometers gives H0=67.4±1.2 km/s/Mpc and θ1=0.087, θ2=-3.36, with AIC comparable to but BIC strongly against ΛCDM.
Study of a novel equation of state with statefinder hierarchy and growth rate of structure,
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The Lambert $W$ equation of state in light of DESI BAO
Fitting the Lambert W dark-fluid EoS to DESI BAO + Pantheon+ + cosmic chronometers gives H0=67.4±1.2 km/s/Mpc and θ1=0.087, θ2=-3.36, with AIC comparable to but BIC strongly against ΛCDM.