[1] Univ Augsburg, EP 6, D-86135 Augsburg, Germany
[2] Univ Augsburg, Ctr Elect Correlat & Magnetism, D-86135 Augsburg, Germany
[3] Zhejiang Univ, Dept Phys, Hangzhou 310027, Peoples R China
[4] Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Jiangsu, Peoples R China
[5] Chongqing Univ, Ctr Modern Phys, Chongqing 400044, Peoples R China
[6] Australian Natl Univ, Inst Math Sci, Canberra, ACT 2601, Australia
[7] Australian Natl Univ, Res Sch Phys & Engn, Dept Theoret Phys, Canberra, ACT 2601, Australia
[8] Univ Basque Country UPV EHU, Dept Phys Chem, Apartado 644, E-48080 Bilbao, Spain
[9] Basque Fdn Sci, Ikerbasque, Maria Diaz de Haro 3, E-48013 Bilbao, Spain