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As a matter of tension -- kinetic energy spectra in MHD turbulence
Philipp Grete, Brian W. O'Shea, Kris Beckwith
Magnetized turbulence is ubiquitous in many astrophysical and terrestrial systems but no complete, uncontested theory even in the simplest form, magnetohydrodynamics (MHD), exists.…
External Enrichment of Minihalos by the First Supernovae
William Hicks, Azton Wells, Michael L. Norman +3
Recent high-resolution simulations of early structure formation have shown that externally enriched halos may form some of the first metal enriched stars. This study utilizes a 1 c…
Magnetized Decaying Turbulence in the Weakly Compressible Taylor-Green Vortex
Forrest W. Glines, Philipp Grete, Brian W. O'Shea
Magnetohydrodynamic turbulence affects both terrestrial and astrophysical plasmas. The properties of magnetized turbulence must be better understood to more accurately characterize…
The Formation of Very Massive Stars in Early Galaxies and Implications for Intermediate Mass Black Holes
John A. Regan, John H. Wise, Tyrone E. Woods +3
We investigate the ab-initio formation of super-massive stars in a pristine atomic cooling halo. The halo is extracted from a larger self-consistent parent simulation. The halo rem…
Massive Star Formation in Metal-Enriched Haloes at High Redshift
John A. Regan, Zoltán Haiman, John H. Wise +2
The formation of supermassive stars has generally been studied under the assumption of rapid accretion of pristine metal-free gas. Recently it was found, however, that gas enriched…
Environmental Dependence of Self-Regulating Black-hole Feedback in Massive Galaxies
Deovrat Prasad, G. Mark Voit, Brian W. O'shea +1
In the universe's most massive galaxies, kinetic feedback from a central supermassive black hole appears to limit star formation. Abundant circumstantial evidence suggests that acc…