Supported by the National Natural Science Foundation of China under Grant No.10874049;the State Key Program for Basic Research of China under Grant No.2007CB925204;the Natural Science Foundation of Guangdong Province under Grant No.07005834
The extrinsic mechanism for anomalous Hall effect in ferromagnets is extended to include the contributions both from spin-orbit-dependent impurity scattering and from the spin-orbit coupling induced by external electr...