2 papers
astro-ph.CO2026
Probing Primordial Chirality in the Matter Distribution
Fang-Na Shao, Hao-Ran Yu, Ming-Jie Sheng +2
Whether parity symmetry was violated in the early universe remains one of the fundamental open questions in cosmology. If so, it may leave an intrinsic handedness in the large-scal…
astro-ph.CO2025
A high-significance detection of primordial tidal torque imprints
Ming-Jie Sheng, Hao-Ran Yu, Min Bao +8
Tidal-torque theory predicts that galaxy angular momenta are imprinted by the primordial tidal field acting on proto-structures and that they can retain information about the early…