Cold Gas in Massive Galaxies as a Critical Test of Black Hole Feedback Models
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Abstract
Black hole feedback has been widely implemented as the key recipe to quench
star formation in massive galaxies in modern semi-analytic models and
hydrodynamical simulations. As the theoretical details surrounding the
accretion and feedback of black holes continue to be refined, various feedback
models have been implemented across simulations, with notable differences in
their outcomes. Yet, most of these simulations have successfully reproduced
some observations, such as stellar mass function and star formation rate
density in the local Universe. We use the recent observation on the change of
neutral hydrogen gas mass (including both
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1538-4357
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European Research Council (695671)
Royal Society (RSRP\R1\211056)
STFC (ST/V000918/1)