ASCL Code Record
[ascl:2307.008]
21cmvFAST: Adding dark matter-baryon relative velocities to 21cmFAST
21cmvFAST demonstrates that including dark matter (DM)-baryon relative velocities produces velocity-induced acoustic oscillations (VAOs) in the 21-cm power spectrum. Based on 21cmFAST (ascl:1102.023) and 21CMMC (ascl:1608.017), 21cmvFAST accounts for molecular-cooling haloes, which are expected to drive star formation during cosmic dawn, as both relative velocities and Lyman-Werner feedback suppress halo formation. This yields accurate 21-cm predictions all the way to reionization (z>~10).
- Code site:
- https://github.com/JulianBMunoz/21cmvFAST
- Described in:
- https://ui.adsabs.harvard.edu/abs/2019PhRvD.100f3538M https://ui.adsabs.harvard.edu/abs/2019PhRvL.123m1301M
- Bibcode:
- 2023ascl.soft07008M
