2 papers
astro-ph.CO2025
Comment on "Dynamical Dark Energy at Late Time CDM"
James M. Cline
In arXiv:2505.18900 it was claimed that an apparent evolution of the dark energy equation of state occurs within the standard CDM cosmological model. I point out that this erron…
hep-ph2025
Comment on "Dark Energy from Time Crystals"
James M. Cline
It was recently proposed (arxiv:2502.08887) that the time crystal Lagrangian introduced by Shapere and Wilczek in 2012 could be a model of dark energy. I point out that the model h…