Direct observation of six-fold exotic fermions in topological semimetal PdSb${}_2$

Sun Zhipeng, Hua Chenqiang, Liu Xiaolei +8

Pyrite-type PdSb${}_2$ with a nonsymmorphic cubic structure has been predicted to host six-fold-degenerate exotic fermions beyond the Dirac and Weyl fermions. Though magnetotransport…