174 citations · 778 across the 12 of their papers we have counts for
5 papers · 1 filter
Intrinsic second-order topological insulators in two-dimensional polymorphic graphyne with sublattice approximation
Z. J. Chen, S. G. Xu, Z. J. Xie +2
In two dimensions, intrinsic second-order topological insulators (SOTIs) are characterized by topological corner states that emerge at the intersections of distinct edges with reve…
Triple hourglass Weyl phonons
Guang Liu, Zhongjia Chen, Peng Wu +1
Unconventional Weyl phonons with higher topological charges in crystalline solids have attracted increasing attention. By symmetry analysis and low-energy effective Hamiltoni…
Three-dimensional Dirac Phonons with Inversion Symmetry
Zhongjia Chen, Rui Wang, Bowen Xia +4
Dirac semimetals associated with bulk Dirac fermions are well-known in topological electronic systems. In sharp contrast, three-dimensional (3D) Dirac phonons in crystalline solids…
Straight nodal-line phonons in symmorphic space groups
Guang Liu, Yuanjun Jin, Zhongjia Chen +1
Based on first-principles calculations and effective model analysis, all possible straight nodal-line phonons in symmorphic space groups are uncovered. A classification of two-band…
Ideal Intersecting Nodal Ring Phonons in a Body-Centered Cubic C
Y. J. Jin, Z. J. Chen, B. W. Xia +3
Carbon, a basic versatile element in our universe, exhibits rich varieties of allotropic phases, most of which possess promising nontrivial topological fermions. In this work, we i…