Ferroaxial moment induced by vortex spin texture
Satoru Hayami
Abstract
An electric ferroaxial moment is a fundamental dipole moment like the ferroelectric, ferromagnetic, and ferromagnetic-toroidal moments. Nevertheless, its nature has been masked compared to the ferromagnetic and ferroelectric cases. Based on symmetry and microscopic-model analyses, the author reveals when and how such a ferroaxial entity appears in magnetic materials. It is demonstrated that a vortex spin configuration naturally induces a ferroaxial moment. The finding will stimulate future exploration of magnetic ferroaxial materials.
Topics & Concepts
Condensed matter physicsFerromagnetismMoment (physics)DipoleMagnetic momentMagnetic dipoleTexture (cosmology)Neutron magnetic momentPhysicsElectron magnetic dipole momentFerroelectricityVortexSymmetry (geometry)ToroidSpin (aerodynamics)Spin magnetic momentElectric dipole momentQuantum mechanicsMathematicsComputer scienceDielectricGeometryMechanicsThermodynamicsImage (mathematics)Artificial intelligencePlasmaMultiferroics and related materialsMagnetic properties of thin filmsMagnetic and transport properties of perovskites and related materials