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A Multi-Code Analysis Toolkit for Astrophysical Simulation Data
Matthew J. Turk, Britton D. Smith, Jeffrey S. Oishi +4
The analysis of complex multiphysics astrophysical simulations presents a unique and rapidly growing set of challenges: reproducibility, parallelization, and vast increases in data…
Effects of Varying the Three-Body Molecular Hydrogen Formation Rate in Primordial Star Formation
Matthew J. Turk, Paul Clark, S. C. O. Glover +4
The transformation of atomic hydrogen to molecular hydrogen through three-body reactions is a crucial stage in the collapse of primordial, metal-free halos, where the first generat…
The Birth of a Galaxy: Primordial Metal Enrichment and Stellar Populations
John H. Wise, Matthew J. Turk, Michael L. Norman +1
By definition, Population III stars are metal-free, and their protostellar collapse is driven by molecular hydrogen cooling in the gas-phase, leading to large characteristic masses…
High-Entropy Polar Regions Around the First Protostars
Matthew J. Turk, Michael L. Norman, Tom Abel
We report on simulations of the formation of the first stars in the Universe, where we identify regions of hot atomic gas (fH2 < 10-6) at densities above 10-14 g/cc, heated to temp…
Galaxy Cluster Radio Relics in Adaptive Mesh Refinement Cosmological Simulations: Relic Properties and Scaling Relationships
Samuel W. Skillman, Eric J. Hallman, Brian W. O'Shea +3
Cosmological shocks are a critical part of large-scale structure formation, and are responsible for heating the intracluster medium in galaxy clusters. In addition, they are also c…
Parallel HOP: A Scalable Halo Finder for Massive Cosmological Data Sets
Stephen Skory, Matthew J. Turk, Michael L. Norman +1
Modern N-body cosmological simulations contain billions () of dark matter particles. These simulations require hundreds to thousands of gigabytes of memory, and employ hundre…