28 citations · 28 across the 2 of their papers we have counts for
2 papers
astro-ph.CO2026
Breaking the Dark Sector Degeneracy with Nonparametric Expansion--Growth Reconstruction
Changyu You, Rong-Gen Cai, Tao Yang
The dark energy equation of state (EoS) and a possible dark-sector interaction are degenerate at the level of background expansion: the same expansion history may be interpreted as…
astro-ph.CO2025★ 28 cited
Dynamical Dark Energy Implies a Coupled Dark Sector: Insights from DESI DR2 via a Data-Driven Approach
Changyu You, Dan Wang, Tao Yang
Recent observations from the Dark Energy Spectroscopic Instrument (DESI) Data Release 2 (DR2) have revealed compelling evidence for dynamical dark energy, challenging the CDM pa…