Pseudochiral Phonons from Octu... Note

Pseudochiral Phonons from Octupolar Magnetic Order

Author(s): Ruairidh Sutcliffe, Kathleen Hart, Swati Chaudhary, and Arun Paramekanti Motivated by the recent discovery of anomalously large magnetic response of chiral phonons in dipolar magnets, we introduce the concept of pseudochiral phonons which are shown to emerge in multipolar magnets. We consider Raman active quantum phonons, such as doublet ${E}_{g}$ phonons $({d}_{{x}^{2}−… [Phys. Rev. Lett. 137, 036703] Published Tue Jul 14, 2026