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cond-mat.mtrl-sci2023
Single pair of charge-two high-fold fermions with type-II van Hove singularities on the surface of ultralight chiral crystals
Xiaoliang Xiao, Yuanjun Jin, Da-Shuai Ma +4
The realization of single-pair chiral fermions in Weyl systems remains challenging in topology physics, especially for the systems with higher chiral charges . In this work, bas…
cond-mat.mtrl-sci2023★ 15 cited
Abundant surface-semimetal phases in three-dimensional obstructed atomic insulators
Xianyong Ding, Xin Jin, Zhuo Chen +4
Three-dimensional obstructed atomic insulators (OAIs) are characterized by the appearance of floating surface states (FSSs) at specific surfaces. Benefiting from this feature, our…