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astro-ph.CO2026
Radial velocity statistics of cosmic voids as a probe of interacting dark energy
Kin Ho Luo, Ming-chung Chu, Kwan Chuen Chan +1
Due to their vast sizes and extremely low densities, the dynamics of cosmic voids are largely decoupled from complex, small-scale baryonic physics and are highly sensitive to the b…
astro-ph.CO2026
Measuring neutrino mass and asymmetry through galaxy pairwise peculiar velocity
Wangzheng Zhang, Ming-chung Chu, Shihong Liao
Cosmic neutrinos are among the most abundant fermions in the Universe, yet the values of their masses and chemical potentials remain uncertain. In this Letter, we present the first…