A cosmological Brans-Dicke model with a fixed cosmological constant fits current data better than standard LambdaCDM and lowers the H0 and sigma8 tensions, while its effective dark energy mimics quintessence near z=0.
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Brans-Dicke gravity with a cosmological constant smoothes out $\Lambda$CDM tensions
A cosmological Brans-Dicke model with a fixed cosmological constant fits current data better than standard LambdaCDM and lowers the H0 and sigma8 tensions, while its effective dark energy mimics quintessence near z=0.