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astro-ph.CO2025
Joint Constraints on Fuzzy and Warm Dark Matter from Satellite Populations of the Milky Way and Andromeda
Jianxiang Liu, Yan Gong, Kai Liao
We perform a joint analysis of the Milky Way (MW) and Andromeda (M31) satellite populations to constrain the properties of fuzzy dark matter (FDM) and thermal-relic warm dark matte…
astro-ph.CO2025
Probing Dark Matter Substructure with Image Number Anomaly in Strong Lensing Systems
Wenlin Hou, Jianxiang Liu, Kai Liao
Gravitational lensing observables, including anomalies in image positions, flux ratios, and time delays, serve as usual probes of dark matter (DM) substructure. When dark matter su…
astro-ph.CO2025
Detecting dark matter substructure with lensed quasars in optical bands
Jianxiang Liu, Kai Liao, Yan Gong
Flux ratios of multiple images in strong gravitational lensing systems provide a powerful probe of dark matter substructure. Optical flux ratios of lensed quasars are typically aff…