3 papers
astro-ph.CO2026
Dark Energy Bubble as Dynamical Dark Energy: Properties and CMB Constraints
Batia Friedman-Shaw, Matthew C. Johnson, Katherine J. Mack
Recent DESI results are in tension with the constant dark energy density predicted by the CDM model. If dark energy is associated with the vacuum energy of a scalar field in a…
astro-ph.CO2025
Cosmology of Single Species Hidden Dark Matter
Weikang Lin, Xingang Chen, Himanish Ganjoo +2
Cosmology and astrophysics provide various ways to study the properties of dark matter even if they have negligible non-gravitational interactions with the Standard Model particles…
astro-ph.CO2025
The Effects of Dark Matter Annihilation and Dark Matter-Baryon Velocity Offsets at Cosmic Dawn
Liqiang Hou, Katherine J. Mack
Dark matter annihilation has the potential to leave an imprint on the properties of the first luminous structures at Cosmic Dawn as well as the overall evolution of the intergalact…