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The impact of mergers on relaxed X-ray clusters - I. Dynamical evolution and emergent transient structures
Gregory B. Poole, Mark A. Fardal, Arif Babul +3
We report on the analysis of a suite of SPH simulations (incorporating cooling and star formation) of mergers involving idealised X-ray clusters whose initial conditions resemble r…
Astrophysical Effects of Scalar Dark Matter Miniclusters
Kathryn M. Zurek, Craig J. Hogan, Thomas R. Quinn
We model the formation, evolution and astrophysical effects of dark compact Scalar Miniclusters (``ScaMs''). These objects arise when a scalar field, with an axion-like or Higgs-li…
Fragmentation of gravitationally unstable gaseous protoplanetary disks with radiative transfer
Lucio Mayer, Graeme Lufkin, Thomas Quinn +1
We report on the results of the first 3D SPH simulation of massive, gravitationally unstable protoplanetary disks with radiative transfer. We adopt a flux-limited diffusion scheme…
Gravitational Instabilities in Gaseous Protoplanetary Disks and Implications for Giant Planet Formation
Richard Durisen, Alan Boss, Lucio Mayer +3
Protoplanetary gas disks are likely to experience gravitational instabilites (GI's) during some phase of their evolution. Density perturbations in an unstable disk grow on a dynami…
Multi-scale simulations of merging galaxies with supermassive black holes
Lucio Mayer, Stelios Kazantzidis, Piero Madau +3
We present the results of the first multi-scale N-Body+SPH simulations of merging galaxies containing central supermassive black holes (SMBHs) and having a spatial resolution of on…
Star Formation and Feedback in Smoothed Particle Hydrodynamic Simulations--I. Isolated Galaxies
Greg Stinson, Anil Seth, Neal Katz +3
We present an analysis of star formation and feedback recipes appropriate for galactic smoothed particle hydrodynamics simulations. Using an isolated Milky Way-like galaxy, we cons…