Tunable terahertz oscillation arising from Bloch-point dynamics in chiral magnets
Yu Li, Leonardo Pierobon, Michalis Charilaou, Hans-Benjamin Braun, Niels R. Walet, Jörg F. Löffler, James J. Miles, Christoforos Moutafis
Abstract
This work reveals that an ultra-fast emergent electric field can be generated during the ultra-fast propagation of Bloch points in skyrmionic textures. The authors show the feasibility of tuning the generation process, as well as the amplitude and frequency of this electric signal by demonstrating a manipulation of Bloch-point dynamics.
Topics & Concepts
Terahertz radiationAmplitudePhysicsElectric fieldDynamics (music)Oscillation (cell signaling)MagnetCondensed matter physicsSIGNAL (programming language)Field (mathematics)Magnetic fieldWork (physics)Spectrum (functional analysis)Frequency spectrumQuantum electrodynamicsVoltageBloch oscillationsTransient (computer programming)OptoelectronicsMagnetic properties of thin filmsTopological Materials and PhenomenaMetamaterials and Metasurfaces Applications