MCMC constraints on 4D EGB + Kaniadakis HDE favor phantom-like behavior with alpha ~ -0.004 and beta ~ 2.26; black-hole shadow calculations show ~6% intrinsic deviation from Lambda-CDM at z~2 after plasma refraction.
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Cosmological Constraints on 4D Einstein-Gauss-Bonnet Gravity and Kaniadakis Holographic Dark Energy: Implications for Black Hole Shadows
MCMC constraints on 4D EGB + Kaniadakis HDE favor phantom-like behavior with alpha ~ -0.004 and beta ~ 2.26; black-hole shadow calculations show ~6% intrinsic deviation from Lambda-CDM at z~2 after plasma refraction.