A5006305116- Topological Materials and Phenomena
- Mechanical and Optical Resonators
- Photonic and Optical Devices
- Photonic Crystals and Applications
- Metamaterials and Metasurfaces Applications
- Acoustic Wave Phenomena Research
- Aerodynamics and Acoustics in Jet Flows
- Quantum Mechanics and Non-Hermitian Physics
- Quantum many-body systems
- Algebraic structures and combinatorial models
- Graphene research and applications
- Topological and Geometric Data Analysis
- Drug-Induced Hepatotoxicity and Protection
- Molecular Junctions and Nanostructures
- Photorefractive and Nonlinear Optics
- Astrophysical Phenomena and Observations
- Nonlinear Photonic Systems
- Noncommutative and Quantum Gravity Theories
- Immune Cell Function and Interaction
- Advanced Condensed Matter Physics
- Strong Light-Matter Interactions
- Black Holes and Theoretical Physics
- Cold Atom Physics and Bose-Einstein Condensates
- Quantum, superfluid, helium dynamics
- Geophysics and Sensor Technology
Southern University of Science and Technology
2021-2025
Wuhan University of Science and Technology
2024
Chinese University of Hong Kong, Shenzhen
2024
Dongguan University of Technology
2024
Zhejiang University
2024
Nanyang Technological University
2024
South China University of Technology
2019-2021
Chiral edge states that propagate oppositely at two parallel strip edges are a hallmark feature of Chern insulators which were first proposed in the celebrated two-dimensional (2D) Haldane model. Subsequently, counterintuitive antichiral same direction discovered 2D modified Recently, chiral surface states, extension one-dimensional (1D) have also been observed photonic analogue 3D However, despite many recent advances and 1D never realized any physical system. Here, we report experimental...
For the classification of topological phases matter, an important consideration is whether a system spinless or spinful, as these two classes have distinct symmetry algebra that gives rise to fundamentally different phases. However, only recently has it been realized theoretically in presence gauge symmetry, algebraic structure symmetries can be projectively represented, which possibly enables switch between and spinful Here, we report experimental demonstration this idea by realizing...
Dirac cones (DCs) play a pivotal role in various unique phenomena ranging from massless electrons graphene to robust surface states topological insulators (TIs). Recent studies have theoretically revealed full hierarchy comprising an eightfold bulk DC, fourfold and twofold hinge associated with of phases including first-order third-order three-dimensional (3D) insulators, using the same 3D base lattice. Here, we report first experimental observation acoustic TIs. Using measurements,...
Acoustic valley materials, usually constructed in a hexagonal lattice, provide an additional degree of freedom (so-called valleys their band structures) for manipulating sound waves. This study realizes such material $s\phantom{\rule{0}{0ex}}q\phantom{\rule{0}{0ex}}u\phantom{\rule{0}{0ex}}a\phantom{\rule{0}{0ex}}r\phantom{\rule{0}{0ex}}e$ which the topological transport and negative refraction acoustic kink waves are observed experiment. At intersection channels, counterintuitive phenomenon...
Abstract Roton dispersion relations were firstly predicted by Landau and have been extensively explored in correlated quantum systems at low temperatures. Recently, the roton-like theoretically extended to classical acoustics, which, however, remained elusive reality. Here, we report experimental observation of dispersions acoustic metamaterials with beyond-nearest-neighbour interactions ambient The resulting metamaterial supports multiple coexisting modes different wavevectors group...
We report the experimental realization of a new type topology-controlled photonic cavities in valley crystals by adopting judiciously oriented mirrors to localize valley-polarized edge states along their propagation path. By using microwave frequency- and time-domain measurements, we directly observe strong confinement electromagnetic energy at mirror surface due extended time delay required for index flipping. Moreover, experimentally demonstrate that both degree localization quality...
The valley topological phases and transport phenomena for classical waves have attracted a great deal of attention. We realize spin Chern insulators in bilayer phononic crystals square lattice, whose invariants are described by the numbers with layer pseudospin. Four types nontrivial can be realized tuning heights cavities, which result layer-mixed, layer-polarized, layer-locked acoustic kink states. Interestingly, we experimentally demonstrate anomalous layer-dependent partition transports...
<title>Abstract</title> Topological polaritons characterized by light-matter interactions have become a pivotal platform in exploring new topological phases of matter. Recent theoretical advances unveiled novel mechanism for tuning modifying the surrounding photonic environment (light-matter interactions) without altering lattice structure. Here, embedding dimerized chain microwave helical resonators (electric dipole emitters) metallic cavity waveguide, we report experimental observation...
The AdS/CFT correspondence, also known as the gravity/gauge duality, posits a dual relationship between theory of gravity in Anti-de Sitter (AdS) space and conformal field (CFT) defined on its lower-dimensional boundary. This correspondence provides means mapping problems from one to other, offering insights into quantum theory. Despite importance contemporary physics, remains conjecture, further experimental investigation is highly sought after. Here, we experimentally explore both...
The Bloch band theory and Brillouin zone (BZ) that characterize wave behaviors in periodic mediums are two cornerstones of contemporary physics ranging from condensed matter to topological physics. Recent theoretical breakthrough revealed that, under the projective symmetry algebra enforced by artificial gauge fields, usual two-dimensional (2D) BZ (orientable two-torus) can be fundamentally modified a non-orientable Klein bottle with radically distinct topology novel phases. However,...
For the classification of topological phases matter, an important consideration is whether a system spinless or spinful, as these two classes have distinct symmetry algebra that gives rise to fundamentally different phases. However, only recently has it been realized theoretically in presence gauge symmetry, algebraic structure symmetries can be projectively represented, which possibly enables switch between and spinful Here, we report first experimental demonstration this idea by realizing...
Recently, topological Dirac-vortex modes in Kekul\'e-distorted photonic lattices have attracted broad interest and exhibited promising applications robust devices such as cavities, lasers, fibers. However, due to the vectorial nature of electromagnetic waves that results complicated band dispersions fails tight-binding model predictions, it is challenging construct three-dimensional (3D) structures with Kekul\'e distortion thus far been limited two-dimensional (2D) systems. Here, by directly...
<title>Abstract</title> <bold>Recently, topological Dirac-vortex modes in Kekulé-distorted photonic lattices have attracted broad interest and exhibited promising applications robust devices such as cavities, lasers, fibers. However, due to the vectorial nature of electromagnetic waves that results complicated band dispersions fails tight-binding model predictions, it is challenging construct three-dimensional (3D) structures with Kekulé distortion thus far been limited two-dimensional (2D)...
Topological polaritons characterized by light-matter interactions have become a pivotal platform in exploring new topological phases of matter. Recent theoretical advances unveiled novel mechanism for tuning modifying the surrounding photonic environment (light-matter interactions) without altering lattice structure. Here, embedding dimerized chain microwave helical resonators (electric dipole emitters) metallic cavity waveguide, we report pioneering observation tunable varying width which...
The discovery of photonic higher-order topological insulators (HOTIs) has significantly expanded our understanding band topology and provided unprecedented lower-dimensional boundary states for robust devices. However, due to the vectorial leaky nature electromagnetic waves, it is challenging discover three-dimensional (3D) systems HOTIs have so far still been limited two dimensions (2D). Here, we report on first experimental realization a 3D Wannier-type HOTI in tight-binding-like...
<title>Abstract</title> The discovery of photonic higher-order topological insulators (HOTIs) has significantly expanded our understanding band topology and provided unprecedented lower-dimensional boundary states for robust devices. However, due to the vectorial leaky nature electromagnetic waves, it is challenging discover three-dimensional (3D) systems realization HOTIs so far still been limited two dimensions (2D). Here, we report on first experimental a 3D Wannier-type HOTI in...
We report an experimental realization of a new type topology-controlled photonic cavities in valley crystals by adopting judiciously oriented mirrors to localize the valley-polarized edge states along their propagation path. By using microwave frequency- and time-domain measurements, we directly observe strong confinement electromagnetic energy at mirror surface due extended time delay required for index flipping. Moreover, experimentally demonstrate that both degree localization quality...
Abstract Roton dispersion relations, displaying a pronounced “roton” minimum at finite momentum, were firstly predicted by Landau and have been extensively explored in correlated quantum systems low temperatures. Recently, the roton-like relations theoretically extended to classical acoustics, which, however, remained elusive reality. Here, we report experimental observation of dispersions acoustic metamaterials with beyond-nearest-neighbour interactions ambient The resulting metamaterial...
In order to verify the correlation between Polygonum multiflorum-induced liver injury and HLA-B*35 : 01 alleles, six hospitalized patients diagnosed with (PM-DILI) were selected, their clinicopathological data collected. Simultaneously, blood HLA-B* 35 allele detection was performed. Among PM-DILI cases, 4 male, aged 38.83 ± 10.13 years old. The types of hepatocellular in all, severity five cases grade 3. histological presentations acute hepatitis cholestatic hepatitis. all HLA-B*35:01...
Roton dispersion relations, displaying a pronounced "roton" minimum at finite momentum, were firstly predicted by Landau and have been extensively explored in correlated quantum systems low temperatures. Recently, the roton-like relations theoretically extended to classical acoustics, which, however, remained elusive reality. Here, we report experimental observation of dispersions acoustic metamaterials with beyond-nearest-neighbour interactions ambient The resulting metamaterial supports...