976 citations · 1.9k across the 11 of their papers we have counts for
11 papers
Observation of Hybrid-Order Topological Pump in a Kekule-Textured Graphene Lattice
Tianzhi Xia, Yuzeng Li, Qicheng Zhang +3
Thouless charge pumping protocol provides an effective route for realizing topological particle transport. To date, the first-order and higher-order topological pumps, exhibiting t…
Observation of Acoustic Non-Hermitian Bloch Braids and Associated Topological Phase Transitions
Qicheng Zhang, Yitong Li, Huanfa Sun +5
Topological features embedded in ancient braiding and knotting arts endow significant impacts on our daily life and even cutting-edge science. Recently, fast growing efforts are in…
Tracking valley topology with synthetic Weyl paths
Xiying Fan, Tianzhi Xia, Huahui Qiu +2
Inspired by the newly emergent valleytronics, great interest has been attracted to the topological valley transport in classical metacrystals. The presence of nontrivial domain-wal…
Minimal non-abelian nodal braiding in ideal metamaterials
Huahui Qiu, Qicheng Zhang, Tingzhi Liu +3
Exploring new topological phases and phenomena has become a vital topic in condensed matter physics and material sciences. It is generally believed that a pair of band nodes with o…
Observation of Moiré Flat Bands in Sonic Crystals
Tingzhi Liu, Xingjian Zhang, Qicheng Zhang +3
Recently, artificial moire superlattices of classical waves have aroused tremendous interest, inspired by the newly emergent twistronics that focuses on the peculiar electronic pro…
Realization of Surface-Obstructed Topological Insulators
Juan Du, Tianzi Li, Xiying Fan +2
Recently, higher-order topological insulators have been attracting extensive interest. Unlike the conventional topological insulators that demand bulk gap closings at transition po…
Acoustic Möbius insulators from projective symmetry
Tianzi Li, Juan Du, Qicheng Zhang +4
Symmetry plays a critical role in classifying phases of matter. This is exemplified by how crystalline symmetries enrich the topological classification of materials and enable unco…
Probing Weyl Physics with One-dimensional Sonic Crystals
Xiying Fan, Chunyin Qiu, Yuanyuan Shen +4
Recently, intense efforts have been devoted to realizing classical analogues of various topological phases of matter. In this Letter, we explore the intriguing Weyl physics by a si…
Topological negative refraction of surface acoustic waves in a Weyl phononic crystal
Hailong He, Chunyin Qiu, Liping Ye +5
Reflection and refraction occur at interface between two different media. These two fundamental phenomena form the basis of fabricating various wave components. Specifically, refra…
Observation of topological valley transport of sound in sonic crystals
Jiuyang Lu, Chunyin Qiu, Liping Ye +4
Valley pseudospin, labeling quantum states of energy extrema in momentum space, is attracting tremendous attention1-13 because of its potential in constructing new carrier of infor…
Highly asymmetric interaction forces induced by acoustic waves in coupled plate structures
Xiying Fan, Chunyin Qiu, Shenwei Zhang +2
Mutual forces can be induced between coupled structures when illuminated by external acoustic waves. In this Letter, we propose a concept of asymmetric interaction between two coup…