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DOI码：10.1063/5.0196220

发表刊物：Journal of Applied Physics

摘要：High Chern number topological insulators can be obtained in a film of layered magnetic block system theoretically and experimentally. With nonzero Chern numbers, Chern insulators become valuable for fundamental topological physics and for improving next-generation electronic devices. We study energy and angular momentum radiation from layered topological insulators using the Dirac Fermion approach and by Green’s function method. We make a connection between radiation magnitude and topological phase transitions. We find that the
magnetic exchange field, intra-layer coupling, and inter-layer interaction are efficient measures to modify the energy radiation of layered topological materials. Moreover, the magnetic exchange field is indispensable for emitting angular momentum due to the need for breaking time-reversal symmetry.

论文类型：期刊论文

论文编号：J. Appl. Phys. 135, 115102

学科门类：理学

文献类型：J

卷号：135

期号：115102

是否译文：否

发表时间：2024-03-20

收录刊物：SCIE

合写作者：Jian-Sheng Wang