Chiral Phonons with Giant Magnetic Moments in a Topological Crystalline Insulator

Felix G. G. Hernandez, Andrey Baydin, Swati Chaudhary +10

We have studied the magnetic response of transverse optical phonons in Pb${}_{1-x}$Sn${}_x$Te films. Polarization-dependent terahertz magnetospectroscopy measurements revealed Zeeman…