316 citations · 1.3k across the 27 of their papers we have counts for
27 papers
Unveiling Real Triple Degeneracies in Crystals: Exploring Link and Compound Structures
Wenwen Liu, Hanyu Wang, Biao Yang +1
With their non-Abelian topological charges, real multi-bandgap systems challenge the conventional topological phase classifications. As the minimal sector of multi-bandgap systems,…
Gauge Field Induced Chiral Zero Mode in Five-dimensional Yang Monopole Metamaterials
Shaojie Ma, Hongwei Jia, Yangang Bi +5
Owing to the chirality of Weyl nodes characterized by the first Chern number, a Weyl system supports one-way chiral zero modes under a magnetic field, which underlies the celebrate…
Non-Abelian physics in light and sound
Yi Yang, Biao Yang, Guancong Ma +3
There has been a recent surge of interest in using light and sound as platforms for studying non-Abelian physics. Through a kaleidoscope of physical effects, light and sound provid…
Magnetically Controllable Multimode Interference in Topological Photonic Crystals
Weiyuan Tang, Mudi Wang, Shaojie Ma +2
Topological photonic insulators show promise for applications in compact integrated photonic circuits due to their ability to transport light robustly through sharp bendings. The n…
Realization of Non-Hermitian Hopf Bundle Matter
Yung Kim, Hee Chul Park, Minwook Kyung +6
Line excitations in topological phases are a subject of particular interest because their mutual linking structures encode robust topological information of matter. It has been rec…
Experimental demonstration of non-adjacent band topology connecting multiple nodal links
Dongyang Wang, Biao Yang, Mudi Wang +5
Nodal links are special configurations of band degeneracies in the momentum space, where nodal line branches encircle each other. In PT symmetric systems, nodal lines can be topolo…
Bulk-LDOS Correspondence in Topological Insulators
Biye Xie, Renwen Huang, Shiyin Jia +9
Seeking the criterion for diagnosing topological phases in real materials has been one of the major tasks in topological physics. Currently, bulk-boundary correspondence based on s…
Diverse surface waves supported by bianisotropic metasurfaces
Oubo You, Wenlong Gao, Yachao Liu +2
Surface waves supported by structured metallic surfaces, i.e. metasurfaces, have drawn wide attention recently. They are promising for various applications ranging from integrated…
Gain and loss induced topological insulating phase in a non Hermitian electrical circuit
Shuo Liu, Shaojie Ma, Cheng Yang +5
There have been considerable efforts devoted to the study of topological phases in certain non-Hermitian systems that possess real eigenfrequencies in the presence of gain and loss…
Experimental identification of the second-order non-Hermitian skin effect with physics-graph-informed machine learning
Ce Shang, Shuo Liu, Ruiwen Shao +11
Topological phases of matter are conventionally characterized by the bulk-boundary correspondence in Hermitian systems: The topological invariant of the bulk in dimensions corr…
Intrinsic Superflat Bands in General Twisted Bilayer Systems
Hongfei Wang, Shaojie Ma, Shuang Zhang +1
Twisted bilayer systems with discrete magic angles, such as twisted bilayer graphene featuring moiré superlattices, provide a versatile platform for exploring novel physical proper…
Observation of Non-Abelian Thouless Pump
Oubo You, Shanjun Liang, Biye Xie +4
Thouless pump is a one-dimensional dynamic topological effect that stems from the same topological mechanism as the renowned two-dimensional Chern insulators, with one momentum dim…
Nonlinear imaging of nanoscale topological corner states
Sergey S. Kruk, Wenlong Gao, Duk-Yong Choi +3
Topological states of light represent counterintuitive optical modes localized at boundaries of finite-size optical structures that originate from the properties of the bulk. Being…
Photonic nodal lines with quadrupole Berry curvature distribution
Dongyang Wang, Biao Yang, Ruo-Yang Zhang +4
In periodic systems, nodal lines are loops in the three-dimensional momentum space where two bands are degenerate with each other. Nodal lines exhibit rich topological features as…
Topological Disclination Pump
Bi-Ye Xie, Oubo You, Shuang Zhang
A topological pump enables robust transport of quantized particles when the system parameters are varied in a cyclic process. In previous studies, topological pump was achieved inh…
Nonlinear imaging of nanoscale topological corner states
Sergey Kruk, Wenlong Gao, Duk Yong Choi +3
Topological states of light represent counterintuitive optical modes localized at boundaries of finite-size optical structures that originate from the properties of the bulk. Being…
Chiral transport of pseudo-spinors induced by synthetic gravitational field in photonic Weyl metamaterials
Hongwei Jia, Ruo-Yang Zhang, Wenlong Gao +2
Weyl particles exhibit chiral transport property under external curved space-time geometry. This effect is called chiral gravitational effect, which plays an important role in quan…
Experimental observation of non-Abelian topological charges and bulk-edge correspondence
Qinghua Guo, Tianshu Jiang, Ruo-Yang Zhang +5
In the past decades, topological concepts have emerged to classify matter states beyond the Ginzburg-Landau symmetry breaking paradigm. The underlying global invariants are usually…
Vortical Reflection and Spiraling Fermi Arcs with Weyl Metamaterials
Hua Cheng, Wenlong Gao, Yangang Bi +10
Scatterings and transport in Weyl semimetals have caught growing attention in condensed matter physics, with observables including chiral zero modes and the associated magnetoresis…
Observation of non-Abelian nodal links in photonics
Erchan Yang, Biao Yang, Oubo You +8
In crystals, two bands may cross each other and form degeneracies along a closed loop in the three-dimensional momentum space, which is called nodal line. Nodal line degeneracy can…
Extremely broadband topological surface states in a photonic topological metamaterials
Minkyung Kim, Dasol Lee, Wenlong Gao +4
Metamaterials, artificially engineered materials consisting of subwavelength unit cell, have shown potentials in light manipulation with their extraordinary optical properties. Esp…
Symmetry selective Dynamic Casimir Effect in One-Dimensional Photonic Crystals
Shaojie Ma, Haixing Miao, Yuanjiang Xiang +1
Real photon pairs can be created in a dynamic cavity with periodically modulated refractive index of the constituent media or oscillating boundaries. This effect is called Dynamic…
Discovery of ideal Weyl points with helicoid surface states
Biao Yang, Qinghua Guo, Ben Tremain +11
Weyl points, serving as monopoles in the momentum space and laying the foundation of topological gapless phases, have recently been experimentally demonstrated in various physical…
Observation of photonic Fermi arcs in topological metamaterials
Biao Yang, Qinghua Guo, Ben Tremain +8
The discovery of topological phases introduces new perspectives and platforms for various interesting physics originally investigated in quantum context and then, on an equal footi…