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DexM: Semi-numerical simulations for very large scales

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DexM: Semi-numerical simulations for very large scales

Postby owlice » Sat Feb 15, 2014 7:03 pm

DexM: Semi-numerical simulations for very large scales

Abstract: DexM (Deus ex Machina) efficiently generates density, halo, and ionization fields on very large scales and with a large dynamic range through seminumeric simulation. These properties are essential for reionization studies, especially those involving rare, massive QSOs, since one must be able to statistically capture the ionization field. DexM can also generate ionization fields directly from the evolved density field to account for the ionizing contribution of small halos. Semi-numerical simulations use more approximate physics than numerical simulations, but independently generate 3D cosmological realizations. DexM is portable and fast, and allows for explorations of wide swaths of astrophysical parameter space and an unprecedented dynamic range.

Credit: Mesinger, Andrei; Furlanetto, Steven

Site: http://homepage.sns.it/mesinger/DexM___21cmFAST.html
http://adsabs.harvard.edu/abs/2010MNRAS.407.1328M

Bibcode: 2014ascl.soft02022M

ID: ascl:1402.022
Last edited by Ada Coda on Sun Jan 27, 2019 7:25 pm, edited 1 time in total.
Reason: Updated code entry.
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