Radial velocity statistics of cosmic voids as a probe of interacting dark energy

arXiv:2607.13362 · astro-ph.CO · Submitted 2026-07-15 · Read on arXiv

Kin Ho Luo, Ming-chung Chu, Kwan Chuen Chan, Wangzheng Zhang

astro-ph.CO

Submitted: 2026-07-15

Comments: 14 pages, 2 main + 2 appendix figures

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

Terminology

• Velocity Dispersion — 12× in this paper · explained in 2 episodes
• N-body simulations — 5× in this paper · explained in 2 episodes
• Clustering — 4× in this paper · explained in 2 episodes
• Momentum transfer — 3× in this paper · explained in 2 episodes
• Quintessence — 3× in this paper · explained in 2 episodes
• Core — 2× in this paper · explained in 2 episodes
• Abundance — 1× in this paper · explained in 1 episode
• Accuracy — 1× in this paper · explained in 1 episode
• Anisotropy — 1× in this paper · explained in 3 episodes
• Consistency — 1× in this paper · explained in 3 episodes
• Degeneracy — 1× in this paper · explained in 3 episodes
• Equation of State (EoS) — 1× in this paper · explained in 4 episodes
• Hubble Tension — 1× in this paper · explained in 9 episodes
• Non-Gaussianity — 1× in this paper · explained in 2 episodes
• Primordial non-Gaussianity — 1× in this paper · explained in 2 episodes

Sources

• Constraint of Void Bias on Primordial non-Gaussianity
• Wide-Field InfrarRed Survey Telescope-Astrophysics Focused Telescope Assets WFIRST-AFTA 2015 Report
• Density and velocity profiles around cosmic voids
• Exponential quintessence with momentum coupling to dark matter
• Probing the Type 3 interacting dark-energy model using matter pairwise velocity
• Planck 2018 results. V. CMB power spectra and likelihoods
• Euclid preparation: I. The Euclid Wide Survey
• Euclid. II. The VIS Instrument

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