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Do DESI-DR2 BAO data imply a coupling of dark matter and dark energy?
We revisit an interacting dark matter (DM) -- dark energy (DE) model characterized by the interaction function $Q = Γρ_x$, where $Γ$ is a constant coupling parameter and $ρ_x$ is the energy density of DE. This type of interaction is independent of the Hubble rate or other external parameters, but de
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