Derives the joint PDF for squared peculiar velocities at separated points and shows that neglecting directional anisotropy in velocity correlations causes errors of a few percent or less in 21-cm fluctuation predictions.
and Munoz, Julian B
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Small-scale power spectrum boosts alter ionization morphology enough that 21 cm power spectra and bubble sizes remain distinguishable from Lambda CDM under current constraints, offering SKA a probe for such deviations.
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Peculiar-velocity distribution functions and 21-cm fluctuations
Derives the joint PDF for squared peculiar velocities at separated points and shows that neglecting directional anisotropy in velocity correlations causes errors of a few percent or less in 21-cm fluctuation predictions.
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Probing power spectrum enhancement at small scales with the SKA
Small-scale power spectrum boosts alter ionization morphology enough that 21 cm power spectra and bubble sizes remain distinguishable from Lambda CDM under current constraints, offering SKA a probe for such deviations.