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astro-ph.GA2026
Substructure-enhanced Collisional Relaxation in Stellar Systems
Jian-Yu Gu, Xiao-Bo Dong, Run-Yu Meng
Two-body collisional relaxation in stellar systems is conventionally estimated using the classical Chandrasekhar theory, in which a subject star is assumed to be embedded in a homo…
astro-ph.GA2026
GroArnold: A Framework for Constructing Action-based Models for Triaxial Galaxies and Dark Matter Halos
Jian-Yu Gu, Xiao-Bo Dong, Shi-Yan Zhong +1
Action-based distribution functions provide a powerful description of stellar systems. Consequently, the construction of physically accurate and dynamically stable…