3 papers
astro-ph.CO2026
Constraints on Phenomenological Amplitudes of CMB Anisotropy with Multi-Datasets
Yang Han, Lu Chen, Guo-Hao Li +1
Cosmic microwave background anisotropies encode crucial information about the early Universe and fundamental cosmological physics. Although the standard CDM model provides a su…
astro-ph.CO2026
Constraints of dynamical dark energy models from different observational datasets
Peiyuan Xu, Lu Chen, Guohao Li +1
The measurements of baryon acoustic oscillation by the Dark Energy Spectroscopic Instrument Data Release 2 indicate that dark energy may be dynamical with a time-varying equation o…
astro-ph.CO2025
Implications of the Two-Component Dark Energy Model for Hubble Tension
Lu Chen, Peiyuan Xu, Guohao Li +1
Dark energy plays a crucial role in the evolution of cosmic expansion. In most studies, dark energy is considered a single dynamic component. In fact, multi-component dark energy m…