Two-dimensional Dirac phonons without/with inversion symmetry

C Wang, WW Yu, Y Liu, X Zhang, L Jin… - Journal of Physics …, 2023 - iopscience.iop.org
In a recent study, two-dimensional Dirac phonons that are protected by nonsymmorphic
symmetries in spinless systems were systematically investigated. However, the focus of this …

Symmetry-enforced topological phononic quadratic Dirac points, type-III nodal rings, and nodal surfaces in

J Liu, P Liu, Y Sun, XQ Chen, J Li - Physical Review B, 2023 - APS
Topological gapless phonons have been extensively studied both in crystal symmetry and
materials realization due to their spinless properties. Based on degeneracy and geometry …

Analysis of Na2CuP ternary semiconductor compound for optoelectronic application by first-principles methods using GGA and mGGA functionals

R Musembi, M Mbilo, M Nyamunga, J Kachila - Computational Condensed …, 2024 - Elsevier
An ab initio study of Zintl Na 2 CuP ternary semiconductor compounds was carried out by
applying first-principles methods to calculate the structural, electronic, elastic, mechanical …

Cubic Ca3I3P with ideal charge-two triple point

Y Yang - Frontiers in Physics, 2022 - frontiersin.org
A recent study reported the enhancement of thermoelectric response due to the presence of
triple point phonons [Phys. Rev. Mater 2, 114204 (2018)]. Because the topological triple …

Phononic Weyl nodal lines and Weyl pairs in van der Waals heavy fermion material CeSiI

F Li, T Yu, J Lai, J Liu, P Liu, XQ Chen… - Chinese Physics …, 2024 - iopscience.iop.org
Topological phonon is a new frontier in the field of topological materials. Different from
electronic structures, phonons are bosons and most topological phonons are metallic form …

Ideal phononic charge-two nodal point and long nontrivial surface arcs in Na2Zn2O3

Y Yang - Frontiers in Physics, 2022 - frontiersin.org
Recently, there has been significant interest in exploring the chiral quasiparticles in
phonons, which describe the atomic lattice vibrations in solids. In this work, using first …

Direct measurement of topologically protected nontrivial phononic edge states

P Gao, F Liu, J Li, R Shi, J Tang, S Huang, B Han, T Bai… - 2024 - researchsquare.com
Topological phonons associated with nontrivial edge states open a new avenue to explore
interesting quasi-particles excitations and manipulate phonon transportations. Although …