Ultra Light Dark Matter and Galactic Observations
Published:Dec 30, 2025 17:00
•1 min read
•ArXiv
Analysis
This paper investigates the nature of dark matter, specifically focusing on ultra-light spin-zero particles. It explores how self-interactions of these particles can influence galactic-scale observations, such as rotation curves and the stability of dwarf galaxies. The research aims to constrain the mass and self-coupling strength of these particles using observational data and machine learning techniques. The paper's significance lies in its exploration of a specific dark matter candidate and its potential to explain observed galactic phenomena, offering a testable framework for understanding dark matter.
Key Takeaways
- •Investigates Ultra Light Dark Matter (ULDM) as a dark matter candidate.
- •Explores the role of self-interactions in ULDM.
- •Uses galactic-scale observations to constrain ULDM parameters (mass and self-coupling).
- •Employs machine learning for parameter inference from galaxy rotation curves.
- •Addresses the stability of dwarf galaxies in the context of ULDM.
Reference
“Observational upper limits on the mass enclosed in central galactic regions can probe both attractive and repulsive self-interactions with strengths $λ\sim \pm 10^{-96} - 10^{-95}$.”