Interacting topological Dirac magnons

• Main Authors: Sun, Hao, Bhowmick, Dhiman, Yang, Bo, Sengupta, Pinaki
• Other Authors: School of Physical and Mathematical Sciences
• Format: Article
• Language: English
• Published: 2023
• Subjects: Science::Physics; Ferromagnets; Honeycomb Layers
• Online Access: https://hdl.handle.net/10356/169932
• Institution: Nanyang Technological University

In this work, we study the magnon-magnon interaction effect in typical honeycomb ferromagnets consisting of van der Waals-bonded stacks of honeycomb layers, e.g., chromium trihalides CrX3 (X = F, Cl, Br, and I), that display two spin-wave modes (Dirac magnon). Using Green's function formalis...