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4 papers · 2 filters
High resolution SPH simulations of disk formation in CDM halos; resolution tests
Tobias Kaufmann, Lucio Mayer, Ben Moore +2
We perform N-Body/SPH simulations of disk galaxy formation inside equilibrium spherical and triaxial cuspy dark matter halos. We systematically study the disk properties and morpho…
Cosmological particle-based simulations of galaxy formation; numerical loss of angular momentum and disk heating
Lucio Mayer
We discuss the role that numerical effects have in cosmological N-Body/SPH simulations of disk galaxy formation. We show that the resolution of current state-of-the-art calculation…
A universal density slope - velocity anisotropy relation for relaxed structures
Steen H. Hansen, Ben Moore
We identify a universal relation between the radial density slope α(r) and the velocity anisotropy β(r) for equilibrated structures. This relation holds for a variety of systems, i…
Disk Galaxy Rotation Curves in Triaxial CDM Halos
E. Hayashi, J. F. Navarro, A. Jenkins +7
We use N-body hydrodynamical simulations to study the structure of disks in triaxial potentials resembling CDM halos. Our analysis focuses on the accuracy of the dark mass distribu…