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astro-ph.CO2025
Exotic Dark Matter and the DESI Anomaly
Matteo Braglia, Xingang Chen, Abraham Loeb
Exotic dark matter (EDM) refers to a dark matter species whose equation of state deviates from zero at late times. This behavior enables it to model a variety of non-standard late-…
astro-ph.CO2025★ 22 cited
Evolving Dark Energy or Evolving Dark Matter?
Xingang Chen, Abraham Loeb
We show that the latest empirical constraints on cosmology, from a combination of DESI, CMB and supernova data, can be accounted for if a small component of dark matter has an evol…