976 citations · 2.8k across the 32 of their papers we have counts for
32 papers
Implementing non-Abelian Hatano-Nelson model in electric circuits
Xiangru Chen, Jien Wu, Xingyu Chen +6
Non-Hermitian systems generally host complex spectra that bring unique spectral topologies, leading to the spectral braiding and non-Hermitian skin effect. The experimental explora…
Higher-order exceptional ring semimetal with real hinge states in phononic crystals
Yejian Hu, Zhenhang Pu, Xiangru Chen +5
Non-Hermitian topological phase, with the novel concepts such as exceptional points and skin effect, has opened up a new paradigm beyond Hermitian topological physics. Exceptional…
Lossy phononic metamaterials for valley manipulation
Shunda Yin, Qiuyan Zhou, Yuxiang Xi +5
Non-Hermitian physics characterized by complex band spectra has established a new paradigm in condensed matter systems and metamaterials. Recently, non-Hermitian gain and nonrecipr…
Dimensional hierarchy of topological bound states in the continuum
Shunda Yin, Zhenyu Wang, Liping Ye +5
Bound states in the continuum (BICs), with the ability of trapping and manipulating waves within the radiation continuum, have gained significant attention for their potential appl…
Observation of exceptional line semimetal in three-dimensional non-Hermitian phononic crystals
Yejian Hu, Jien Wu, Peidong Ye +6
Non-Hermitian topological phases, which exhibit unique features such as skin effect and exceptional points originated from nontrivial band topologies in complex plane, have attract…
Valley edge states as bound states in the continuum
Shunda Yin, Liping Ye, Hailong He +5
Bound states in the continuum (BICs) are spatially localized states with energy embedded in the continuum spectrum of extended states. The combination of BICs physics and nontrivia…
Observation of Higher Order Nodal Line Semimetal in Phononic Crystals
Qiyun Ma, Zhenhang Pu, Liping Ye +6
Higher-order topological insulators and semimetals, which generalize the conventional bulk-boundary correspondence, have attracted extensive research interest. Among them, higher-o…
Spin-dependent localization of helical edge states in a non-Hermitian phononic crystal
Junpeng Wu, Riyi Zheng, Jialuo Liang +5
As a distinctive feature unique to non-Hermitian systems, non-Hermitian skin effect displays fruitful exotic phenomena in one or higher dimensions, especially when conventional top…
Real-projective-plane hybrid-order topological insulator realized in phononic crystals
Pengtao Lai, Jien Wu, Zhenhang Pu +7
The manifold of the fundamental domain of the Brillouin zone is always considered to be a torus. However, under the synthetic gauge field, the Brillouin manifold can be modified by…
Brillouin Klein space and half-turn space in three-dimensional acoustic crystals
Zhenxiao Zhu, Linyun Yang, Jien Wu +14
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 top…
Topological phononic metamaterials
Weiwei Zhu, Weiyin Deng, Yang Liu +6
The concept of topological energy bands and their manifestations have been demonstrated in condensed matter systems as a fantastic paradigm toward unprecedented physical phenomena…
Observation of exceptional points and skin effect correspondence in non-Hermitian phononic crystals
Qiuyan Zhou, Jien Wu, Zhenhang Pu +5
Exceptional points and skin effect, as the two distinct hallmark features unique to the non-Hermitian physics, have each attracted enormous interests. Recent theoretical works reve…
Observation of quadruple Weyl point in hybrid-Weyl phononic crystals
Li Luo, Weiyin Deng, Yating Yang +4
The discovery of Weyl semimetals opens the door for searching topological semimetals in physical science. The Weyl points are generally recognized as conventional, quadratic, spin-…
Topological materials for full-vector elastic waves
Ying Wu, Jiuyang Lu, Xueqin Huang +6
Elastic wave manipulation is important in a wide variety of scales in applications including information processing in tiny elastic devices and noise control in big solid structure…
3D hinge transport in acoustic higher-order topological insulators
Qiang Wei, Xuewei Zhang, Weiyin Deng +6
The discovery of topologically protected boundary states in topological insulators opens a new avenue toward exploring novel transport phenomena. The one-way feature of boundary st…
Hybrid-order topological insulators in a phononic crystal
Yating Yang, Jiuyang Lu, Mou Yan +3
Topological phases, including the conventional first-order and higher-order topological insulators and semimetals, have emerged as a thriving topic in the fields of condensed-matte…
Acoustic corner states in topological insulators with built-in Zeeman-like fields
Xueqin Huang, Jiuyang Lu, Zhongbo Yan +4
The higher-order topological insulators (HOTIs), with such as the topological corner states, emerge as a thriving topic in the field of topological physics. But few connections hav…
Acoustic square-root topological insulators
Mou Yan, Xueqin Huang, Li Luo +3
Square-root topological states are new topological phases, whose topological property is inherited from the square of the Hamiltonian. We realize the first-order and second-order s…
Higher-order topological semimetal in acoustic crystals
Qiang Wei, Xuewei Zhang, Weiyin Deng +6
The notion of higher-order topological insulators has endowed materials with topological states beyond the first order. Particularly, a three-dimensional (3D) higher-order topologi…
Acoustic spin-1 Weyl semimetal
Weiyin Deng, Xueqin Huang, Jiuyang Lu +4
Topological semimetal, hosting spin-1 Weyl point beyond Dirac and Weyl points, has attracted a great deal of attention. However, the spin-1 Weyl semimetal, which possesses exclusiv…
Acoustic spin-Chern insulator induced by synthetic spin-orbit coupling with spin conservation breaking
Weiyin Deng, Xueqin Huang, Jiuyang Lu +4
Topologically protected surface modes of classical waves hold the promise to enable a variety of applications ranging from robust transport of energy to reliable information proces…
Ideal type-II Weyl phase and topological transition in phononic crystals
Xueqin Huang, Jiuyang Lu, Feng Li +2
Ideal Weyl points, which are related by symmetry and thus reside at the same frequency, could promote the deep development and utilization of the Weyl physics. Although the ideal t…
Valley-projected edge modes observed in underwater sonic crystals
Yuanyuan Shen, Chunyin Qiu, Xiangxi Cai +4
Recently, the topological physics in acoustics has been attracting much attention. However, all the studies are aimed to elastic or airborne sound systems. Realizing topological in…
Valley Topological Phases in Bilayer Sonic Crystals
Jiuyang Lu, Chunyin Qiu, Weiyin Deng +5
Recently, the topological physics in artificial crystals for classical waves has become an emerging research area. In this Letter, we propose a unique bilayer design of sonic cryst…