When spintronics meets topology: symmetry-protected zero modes in spin-texture based me...
报告人:严鹏 教授,电子科技大学电子科学与工程学院 报告时间:2019年12月23日(周一)下午3:00报告地点:知新楼C座1113报告厅 邀请人:解士杰 教授,高琨 副教授报告摘要:(Part I) We show the emergence of second-order topological insulator in the dynamics of spin texture based metamaterials. Quantized Chern number and ZN Berry phase are proposed to completely characterize the nontrivial topology. By stu...