Topological non-Hermitian skin effect
This article reviews recent developments in the non-Hermitian skin effect (NHSE),
particularly on its rich interplay with topology. The review starts off with a pedagogical …
particularly on its rich interplay with topology. The review starts off with a pedagogical …
Topological nodal line phonons: Recent advances in materials realization
The topological phenomenon has been extensively studied in condensed matter physics
and has attracted much attention in many different fields. Like electrons, phonons can also …
and has attracted much attention in many different fields. Like electrons, phonons can also …
Recipe for single-pair-Weyl-points phonons carrying the same chiral charges
Recently, Wang et al.[Phys. Rev. B 106, 195129 (2022) 2469-9950 10.1103/PhysRevB.
106.195129] challenged a widely held belief in the field of Weyl physics, demonstrating that …
106.195129] challenged a widely held belief in the field of Weyl physics, demonstrating that …
Topological phonons in Cs-Te binary systems
In this paper, we used symmetry analyses and first-principles calculations to discover seven
Cs-Te binary systems that have different crystal structures and can host symmetry-enforced …
Cs-Te binary systems that have different crystal structures and can host symmetry-enforced …
Ferromagnetic hybrid nodal loop and switchable type-I and type-II Weyl fermions in two dimensions
As a novel type of fermionic state, the hybrid nodal loop with the coexistence of both type-I
and type-II band crossings has attracted intense research interest. However, it remains a …
and type-II band crossings has attracted intense research interest. However, it remains a …
Two-nodal surface phonons in solid-state materials
C Xie, H Yuan, Y Liu, X Wang - Physical Review B, 2022 - APS
This year, researchers have been on the lookout for real materials with one-nodal, two-nodal
(two-NS), and three-nodal surface phonons. However, materials with two-NS phonons have …
(two-NS), and three-nodal surface phonons. However, materials with two-NS phonons have …
Dirac phonons in two-dimensional materials
J Gong, J Wang, H Yuan, Z Zhang, W Wang, X Wang - Physical Review B, 2022 - APS
Phonons are an ideal platform for realizing stable spinless two-dimensional (2D) Dirac
points because they have a bosonic nature and hard-to-break time-reversal symmetry. It …
points because they have a bosonic nature and hard-to-break time-reversal symmetry. It …
Hybrid-type nodal ring phonons and coexistence of higher-order quadratic nodal line phonons in an AgZr alloy
F Zhou, Z Zhang, H Chen, M Kuang, T Yang, X Wang - Physical Review B, 2021 - APS
Nodal line states in electronic systems can be classified based on the order of dispersion
around a band degeneracy (ie, linear, quadratic, or cubic) and the various slopes of crossing …
around a band degeneracy (ie, linear, quadratic, or cubic) and the various slopes of crossing …
Ideal topological nodal-surface phonons in RbTeAu-family materials
QB Liu, ZQ Wang, HH Fu - Physical Review B, 2021 - APS
By using first-principles calculations and symmetry analysis, we uncover that the rubidium-
catena-telluridoaurate-family materials in space group (SG) 51 can exhibit ideal nodal …
catena-telluridoaurate-family materials in space group (SG) 51 can exhibit ideal nodal …
Three-nodal surface phonons in solid-state materials: Theory and material realization
This year, Liu et al.[Phys. Rev. B 104, L041405 (2021) 2469-9950 10.1103/PhysRevB. 104.
L041405] proposed another class of topological phonons [TPs, ie, one-nodal surface (NS) …
L041405] proposed another class of topological phonons [TPs, ie, one-nodal surface (NS) …