Phantom-Divide Crossing in Exponentially Coupled Quintessence and the Role of Neutrino-Mass Freedom
Jincheng Wang, Hongwei Yu, Puxun Wu
astro-ph.CO, gr-qc, hep-ph
Submitted: 2026-06-20
License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Terminology
Sources
- Robust Preference for Dark Sector Interactions
- Exploring Coupled Quintessence in light of CMB and DESI DR2 measurements
- Revisiting observational constraints on coupled exponential quintessence with energy and momentum transfers: degeneracy with massive neutrinos
- Constraints on Coupled Dark Energy in the DESI Era
- Coupled Dark Energy and Dark Matter for DESI: An Effective Guide to the Phantom Divide
- Breaking Free from the Swampland of Impossible Universes through the DESI Portal
- Coupled quintessence with a potential from supergravity exhibits sign-changing interaction
- Nonminimally coupled quintessence with sign-switching interaction
- Negative neutrino mass or negative dark energy?
- Cosmological preference for a positive neutrino mass at 2.7 sigma: A joint analysis of DESI DR2, DESY5, and DESY1 data
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