TL;DR
This review discusses how fuzzy dark matter, composed of ultra-light scalar particles, can address small-scale galaxy issues like the core-cusp problem through quantum pressure effects.
Contribution
It summarizes properties of galaxies in the fuzzy dark matter model and highlights its potential to solve longstanding small-scale structure problems.
Findings
Fuzzy dark matter explains galaxy core structures.
Quantum pressure from ultra-light particles addresses small-scale issues.
Potential to unify galaxy observations with quantum physics.
Abstract
This is a brief review on some properties of galaxies in the fuzzy dark matter model, where dark matter is an ultra-light scalar particle with mass . From quantum pressure, dark matter has a halo length scale which can solve the small scale issues of the cold dark matter model, such as the core-cusp problem, and explain many other observed mysteries of galaxies.
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