Comment on "Observational Evidence for Cosmological Coupling of Black Holes and its Implications for an Astrophysical Source of Dark Energy"

Tobias Mistele

Comment on "Observational Evidence for Cosmological Coupling of Black Holes and its Implications for an Astrophysical Source of Dark Energy"

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arxiv 2304.09817 v2 pith:6VE5CFGB submitted 2023-04-19 gr-qc astro-ph.COastro-ph.GA

Tobias Mistele This is my paper · ORCID

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keywords blackholesdarkenergyacceleratedactionastrophysicalclaim

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It was recently claimed that black holes can explain the accelerated expansion of the universe. Here I point out that this claim is based on a confusion about the principle of least action, undermining the link between black holes and dark energy.

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Evaporating cosmologically coupled black holes
astro-ph.CO 2026-07 conditional novelty 6.0 of 10

If a black hole's mass grows with cosmic expansion, Hawking evaporation is slowed or reversed, weakening gamma-ray bounds on primordial black holes.

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