2 papers
astro-ph.CO2026
Testing the cosmological principle with quasars
Shuangnan Chen, Xiaofeng Yang, Yunliang Ren +5
The inferred velocity is consistent at the 1.56 Ï level with the value of 370 km/s from a purely kinematic interpretation of the CMB dipole. Based on the motion direction componen…
astro-ph.CO2026
Measurement of the Weyl Potential Evolution and Statistic from KiDS-1000, BOSS and 2dFLenS
Xuwei Zhang, Ming Zhang, Yunliang Ren +1
A recently developed model-independent approach to measuring the Weyl potential has shown some tensions with CDM (Lambda Cold Dark Matter) in DES (Dark Energy Survey) Y3 data.…