High field topological magnon
Web10 de set. de 2024 · We also describe how topological (quantized) pumps can be realized with magnons, and study how this phenomenon depends on the initial magnon state … Web10 de nov. de 2024 · Magic-angle ($θ=1.05^\\circ$) twisted bilayer graphene (MATBG) has shown two seemingly contradictory characters: the localization and quantum-dot-like …
High field topological magnon
Did you know?
Webthis mechanism can stabilize topological magnon excitations in honeycomb ferromag-nets and in optical lattices. We find that the irradiated quantum magnet is described by a Haldane model for magnons that hosts topologically-protected edge modes. We study the evolution of the magnon spectrum in the Floquet regime and via time propagation Web30 de mar. de 2024 · Our high-field Raman data evidence the coexistence of multimagnon excitations and a gapped continuum that characterizes the quasiparticle landscape of the partially polarized phase. The base...
Web13 de jan. de 2024 · topology in honeycomb magnets, in particular of the Chern number and the topological gap. Our results pave the way for interfacing light and topological magnons in functional quantum devices. DOI: 10.1103/PhysRevLett.130.026701 The study of topological states of matter has recently been extended to systems with bosonic … Web9 de mai. de 2024 · Their spatially periodic noncollinear magnetic texture gives rise to topological bulk magnon bands characterized by nonzero Chern numbers. We find …
Webof topological magnons, it is these terms that are responsible for opening up a gap in the spectrum leading to Chern bands. In addition, we present evidence that the chiral … Web28 de jun. de 2024 · This manifests itself as a macroscopic mechanical rotation of the material hosting topological magnons. We show that an experimentally observable Einstein-de Haas effect can be measured in the ...
Web4 de abr. de 2024 · Topological magnon insulator and quantized ... High-field expansion approach to kagome antiferromagnets with Dzyaloshinskii-Moriya interactions Michael O. Flynn and Rajiv R. P. Singh-This content was downloaded from IP address 157.55.39.209 on 04/04/2024 at 00:22.
Web15 de abr. de 2024 · Topological magnon modes are expected to be useful for novel applications such as robust information propagation, since they are immune to … notifiable to hseWeb27 de out. de 2016 · They are robust against DMI and can be driven to a topological magnon phase by breaking the symmetries. They can be manipulated by an external magnetic field and accessible by the bulk... how to sew an adjustable apronWeb17 de fev. de 2024 · Our work bridges the higher-order topology and magnons in van der Waals platforms, and could be used for constructing topological magnonic devices. … notifiable safety incident definitionWeb6 de ago. de 2024 · Keywords: magnon,light,Brillouin-Wigner theory,Dzyaloshinskii-Moriya. 1. Introduction. A topological insulator is a material that has a bulk band gap like an … notifiable sheep diseasesWeb15 de jun. de 2024 · Necessary conditions for nontrivial magnon topology; Magnon-magnon interaction and non-Hermitian topological band structures; Non-Hermitian bulk-boundary correspondence . Magnon band-topology in experiments: Hall transport of magnetic excitations; Hybridization of magnons with photons and phonons; Direct … notifiable safe work nswWeb15 de abr. de 2024 · Magnonics is an emerging field of modern condensed matter physics that aims to study and utilize the properties and behaviors of magnons. The topological … how to sew an african dressesWeb2 de jun. de 2024 · Magnetic excitations offer a platform to explore the interplay of magnetic symmetries and topology, to drive topological transitions using magnetic fields. examine … how to sew american flag