2 papers
astro-ph.CO2025
Particle loads for cosmological simulations with equal-mass dark matter and baryonic particles
Shihong Liao, Yizhou Liu, Haonan Zheng +5
Traditional cosmological hydrodynamical simulations usually assume equal-numbered but unequal-mass dark matter and baryonic particles, which can lead to spurious collisional heatin…
astro-ph.GA2025
The Role of Spiral Arms in Galaxies II: Similarities Amid Diversity
Bingqing Sun, Daniela Calzetti, Andrew J. Battisti
The role of spiral arms in galaxies -- whether they enhance star formation efficiency or primarily act as material gatherers -- remains an open question. Observational studies have…