This work was supported by the Key-Area Research and Development Program of Guangdong Province(2020B010190002);the National Natural Science Foundation of China(11890701,11874383,12104480,11974005,and 12222405);the National Key R&D Program of China(2018YFA0305800);the IACAS Frontier Exploration Project(QYTS202110).
supported by the National Natural Science Foundation of China(11974076,11925408,11921004,and 12188101);the Key Project of Natural Science Foundation of Fujian Province(2021J02012);the Ministry of Science and Technology of China(2018YFA0305700);the Chinese Academy of Sciences(XDB33000000 and CAS-WX2021SF-0102);the K.C.Wong Education Foundation(GJTD-2018–01);the Key Research Project of Zhejiang Lab(2021PB0AC01);supported by the Swiss National Science Foundation(200021–196966)。
Over the decade,Dirac semimetals(DSMs)have been extensively studied[1].However,the hallmarks of DSMs are still not clear[2,3].Recently,a generalized bulk-boundary correspondence,namely higher-order bulk-hinge correspo...