2 papers
astro-ph.CO2025
Testing Quintessence Axion Dark Energy with Recent Cosmological Results
Weikang Lin, Luca Visinelli, Tsutomu T. Yanagida
We investigate a quintessence axion model for dynamical dark energy, motivated in part by recent results from the Baryon Acoustic Oscillation (BAO) measurements of the Dark Energy…
astro-ph.CO2025
Uncalibrated Cosmic Standards as a Robust Test on Late-Time Cosmological Models
Yihao Wang, Weikang Lin
We present an assumption-minimized framework for testing late-time cosmological models using Uncalibrated Cosmic Standards (UCS), including standard rulers and standard candles, wi…