Chiral phonons and pseudoangular momentum in nonsymmorphic systems
Tiantian Zhang, Shuichi Murakami
Abstract
The authors generalize the definition of pseudo-angular momentum to systems with screw rotation symmetry and find pseudo-angular momentum becomes q-dependent non-integers but is still an observable quantity.
Topics & Concepts
PhononObservableAngular momentumPhysicsPolarization (electrochemistry)PhotonChirality (physics)ElectronPhysical systemQuantum mechanicsTheoretical physicsCondensed matter physicsChemistryChiral anomalyPhysical chemistryFermionNambu–Jona-Lasinio modelTopological Materials and PhenomenaGraphene research and applicationsMetamaterials and Metasurfaces Applications