DFT+DMFT calculations identify CaCrO3 as a strongly correlated altermagnet and a Hund's metal, with Hund's coupling promoting altermagnetism-induced flat bands and heavy-fermion behavior.
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Strongly correlated altermagnet CaCrO$_3$
DFT+DMFT calculations identify CaCrO3 as a strongly correlated altermagnet and a Hund's metal, with Hund's coupling promoting altermagnetism-induced flat bands and heavy-fermion behavior.