Topological properties in ABA trilayer graphene under the irradiation of light Project supported by the National Natural Science Foundation of China (Grant No. 61604106) and Shandong Provincial Natural Science Foundation, China (Grant No. ZR2014FL025). |
Chern number as a function of A for κ = −1. The solid red line and the dashed blue line denote the Chen number and the valley Chern number corresponding to anomalous Hall and valley Hall states, respectively. |