Fig. 8: The plasma frequency as a function of the Fermi level.
From: The mysterious magnetic ground state of Ba14MnBi11 is likely self-doped and altermagnetic

The red and green curves represent the frequency along x and z directions.
From: The mysterious magnetic ground state of Ba14MnBi11 is likely self-doped and altermagnetic

The red and green curves represent the frequency along x and z directions.