James M. Sullivan

2 articles · 4 co-authors · latest: 2026-06-29
23 citations · h-index 4 · 13 papersData: Semantic Scholar

We have retold 2 papers by this author. most often about: dark energy, quintessence, cosmological constant. 4 co-authors across our retellings.

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Cosmology2025-11-281 minarXiv:2511.23463express
Dark Energy: Phantom or Illusion?
Data from the DESI galaxy survey hint: dark energy was more powerful in the past than today. This 'phantom' behavior threatens the Universe with a Big Rip — a finale where even atoms disintegrate. But the KMIX model explains this as an illusion. Two fundamental fields — like a distorting mirror — warp our picture: constant energy appears variable.
Cosmology2026-06-291 minarXiv:2606.30903express
A Cosmic Compromise: One Number Settles Three Disputes
Cosmology is like an orchestra where different sections suddenly start playing out of sync. Measurements of the universe's expansion rate (the Hubble constant) from the early and late universe give different numbers.