Dark energy perturbations and the robustness of cosmological neutrino-mass constraints

arXiv:2606.28074 · astro-ph.CO · Submitted 2026-06-26 · Read on arXiv

astro-ph.CO

Submitted: 2026-06-26

Updated: 2026-10-22

Comments: 25 pages; 10 figures, 2 tables. Comments are welcomed

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Clustering — 53× in this paper · explained in 2 episodes
• Degeneracy — 28× in this paper · explained in 3 episodes
• Robustness — 12× in this paper · explained in 5 episodes
• Matter Power Spectrum — 8× in this paper · explained in 2 episodes
• Anisotropy — 2× in this paper · explained in 3 episodes
• Baryon Oscillation Spectroscopic Survey — 2× in this paper
• Decoupling — 2× in this paper · explained in 2 episodes
• Accuracy — 1× in this paper · explained in 1 episode
• Bispectrum — 1× in this paper · explained in 3 episodes
• Calibration — 1× in this paper · explained in 7 episodes
• Consistency — 1× in this paper · explained in 3 episodes
• Cooperation — 1× in this paper · explained in 2 episodes
• Extended Baryon Oscillation Spectroscopic Survey — 1× in this paper
• Fingerprinting — 1× in this paper · explained in 2 episodes
• Hubble Tension — 1× in this paper · explained in 9 episodes
• Monte Carlo Markov Chain — 1× in this paper
• Quintessence — 1× in this paper · explained in 2 episodes

Sources

• The unfinished fabric of the three neutrino paradigm
• NuFit-6.0: Updated global analysis of three-flavor neutrino oscillations
• 2020 Global reassessment of the neutrino oscillation picture
• An improved upper limit on the neutrino mass from a direct kinematic method by KATRIN
• Direct neutrino-mass measurement based on 259 days of KATRIN data
• Constraints on Neutrino Physics from DESI DR2 BAO and DR1 Full Shape
• No $\nu$s is Good News
• What's the matter with $\Sigma m_{\nu}$?
• Neutrino cosmology after DESI: tightest mass upper limits, preference for the normal ordering, and tension with terrestrial observations
• Neutrino mass tension or suppressed growth rate of matter perturbations?
• Relaxing DESI DR2 BAO Constraints on $\sum m_\nu$ with Planck and SPT-3G 2018 in the Context of SPT D1
• Neutrino mass limits and decaying dark matter: background evolution versus perturbations
• When One-Parameter Dark Energy Makes Neutrinos Physical Again
• Cosmological constraints from the DESI DR1 joint power spectrum and bispectrum analysis
• DESI DR2 Results II: Measurements of Baryon Acoustic Oscillations and Cosmological Constraints
• Changing the prior: absolute neutrino mass constraints in nonlocal gravity
• Updated results on neutrino mass and mass hierarchy from cosmology with Planck 2018 likelihoods
• Neutrino mass and dark energy constraints from redshift-space distortions
• Constraints on the sum of the neutrino masses in dynamical dark energy models with $w(z) \geq -1$ are tighter than those obtained in $\Lambda$CDM
• Updated Cosmological Constraints in Extended Parameter Space with Planck PR4, DESI Baryon Acoustic Oscillations, and Supernovae: Dynamical Dark Energy, Neutrino Masses, Lensing Anomaly, and the Hubble Tension

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