2 papers
astro-ph.CO2025
Phantom Mirage from Axion Dark Energy
Rayne Liu, Yijie Zhu, Wayne Hu +1
Supernova (SN) and baryon acoustic oscillation (BAO) distance measures have recently provided hints that the dark energy is not only dynamical but apparently evolves from normal to…
astro-ph.CO2025
Modeling nonlinear scales for dynamical dark energy cosmologies with COLA
João Rebouças, Victoria Lloyd, Jonathan Gordon +2
Upcoming galaxy surveys will bring a wealth of information about the clustering of matter, but modeling small-scale structure beyond CDM remains computationally challenging. Whi…