623 citations · 2.6k across the 60 of their papers we have counts for
60 papers
Nonlinear Dynamics of Hopfion for Frequency Multiplication
Waleed I. Waseer, Yunshan Cao, Peng Yan
Hopfions, associated with higher-dimensional topology through the Hopf fibration, exhibit {exotic} features like {complex knot} and improved stability compared to skyrmions, enhanc…
Strong coupling of chiral magnons in altermagnets
Zhejunyu Jin, Tianci Gong, Jie Liu +4
Altermagnets recently are identified as a new class of magnets that break the time-reversal symmetry without exhibiting net magnetization. The role of the dipole-dipole interaction…
Quantum entanglement and Einstein-Podolsky-Rosen steering in magnon frequency comb
Qianjun Zheng, H. Y. Yuan, Yunshan Cao +1
Significant progress has been made for the emerging concept of magnon frequency comb (MFC) but mainly in the classical region. The quantum property of the comb structure is yet to…
Simulating Thiele's Equation and Collective Skyrmion Dynamics in Circuit Networks
Huanhuan Yang, Lingling Song, Yunshan Cao +1
Developed half a century ago, Thiele's equation has played a crucial role in describing the motion of magnetic textures, ranging from simple magnetic domains to exotic magnetic sol…
Low-lying magnon frequency comb in skymion crystals
Xuejuan Liu, Zhejunyu Jin, Zhengyi Li +6
A stable, low-power and tunable magnon frequency comb (MFC) is crucial for magnon-based precision measurements, quantum information processing and chip integration. Original method…
Skyrmion Hall effect in altermagnets
Zhejunyu Jin, Zhaozhuo Zeng, Yunshan Cao +1
It is widely believed that the skyrmion Hall effect is absent in antiferromagnets because of the vanishing topological charge. However, the Aharonov-Casher theory indicates the pos…
Circuit realization of topological physics
Huanhuan Yang, Lingling Song, Yunshan Cao +1
Recently, topolectrical circuits (TECs) boom in studying the topological states of matter. The resemblance between circuit Laplacians and tight-binding models in condensed matter p…
Cavity-Induced Strong Magnon-Magnon Coupling in Altermagnets
Zhejunyu Jin, Huanhuan Yang, Zhaozhuo Zeng +2
Long-distance strong coupling between short-wavelength magnons remains an outstanding challenge in quantum magnonics, an emerging interdiscipline between magnonics and quantum info…
Realization of Wilson fermions in topolectrical circuits
Huanhuan Yang, Lingling Song, Yunshan Cao +1
Wilson fermion (WF) is a fundamental particle in the theory of quantum chromodynamics, originally proposed by Kenneth Wilson to solve the fermion doubling problem, i.e., more fermi…
Nonlinear Topological Magnon Spin Hall Effect
Zhejunyu Jin, Xianglong Yao, Zhenyu Wang +4
When a magnon passes through two-dimensional magnetic textures, it will experience a fictitious magnetic field originating from the skew-symmetric gauge fields. To date…
Competition of non-Hermitian skin effect and topological localization of corner states observed in circuits
Chan Tang, Huanhuan Yang, Lingling Song +3
Exploring topological phases in non-Hermitian systems has attracted significant recent attention. One intriguing question is how topological edge states compete with the non-Hermit…
Observation of type-III corner states induced by long-range interactions
Huanhuan Yang, Lingling Song, Yunshan Cao +1
Long-range interactions (LRIs) are ubiquitous in nature. Higher-order topological (HOT) insulator represents a new phase of matter. A critical issue is how LRI dictates the HOT pha…
All-magnonic Stern-Gerlach effect in antiferromagnets
Zhenyu Wang, Weiwei Bao, Yunshan Cao +1
The Stern-Gerlach (SG) effect is well known as the spin-dependent splitting of a beam of atoms carrying magnetic moments by a magnetic-field gradient, leading to the concept of ele…
Generation of twisted magnons via spin-to-orbital angular momentum conversion
Z. -X. Li, Zhenyu Wang, Yunshan Cao +1
Twisted magnons (TMs) carrying orbital angular momentum (OAM) have attracted much attention from the magnonic community. The fabrication of such novel magnon state however is still…
Twisted Magnon Frequency Comb and Penrose Superradiance
Zhenyu Wang, H. Y. Yuan, Yunshan Cao +1
Quantization effects of the nonlinear magnon-vortex interaction in ferromagnetic nanodisks are studied. We show that the circular geometry twists the spin-wave fields with spiral p…
Square-root higher-order Weyl semimetals
Lingling Song, Huanhuan Yang, Yunshan Cao +1
The mathematical foundation of quantum mechanics is built on linear algebra, while the application of nonlinear operators can lead to outstanding discoveries under some circumstanc…
Experimental realization of two-dimensional weak topological insulators
Huanhuan Yang, Lingling Song, Yunshan Cao +1
We report the experimental realization of two-dimensional (2D) weak topological insulator (WTI) in spinless Su-Schrieffer-Heeger circuits with parity-time and chiral symmetries. St…
Nonreciprocal Spin Waves Driven by Left-Hand Microwaves
Zhizhi Zhang, Zhenyu Wang, Huanhuan Yang +3
It is a conventional wisdom that a left-hand microwave cannot efficiently excite the spin wave (SW) in ferromagnets, due to the constraint of angular momentum conservation. In this…
Quantum magnonics: when magnon spintronics meets quantum information science
H. Y. Yuan, Yunshan Cao, Akashdeep Kamra +2
Spintronics and quantum information science are two promising candidates for innovating information processing technologies. The combination of these two fields enables us to build…
Type-II Weyl Excitation in Vortex Arrays
Z. -X. Li, X. S. Wang, Lingling Song +2
Weyl-like magnon excitations in ordered magnets have attracted significant recent attention. Despite of the tantalizing physics and application prospects, the experimental observat…
Magnetic skyrmion generation by reflective spin-wave focusing
Xianglong Yao, Zhenyu Wang, Menghua Deng +4
We propose a method to generate magnetic skyrmions by focusing spin waves totally reflected by a curved film edge. Based on the principle of identical magnonic path length, we deri…
Third-order topological insulator in three-dimensional lattice of magnetic vortices
Z. -X. Li, Zhenyu Wang, Zhizhi Zhang +2
Recent acoustic and electrical-circuit experiments have reported the third-order (or octupole) topological insulating phase, while its counterpart in classical magnetic systems is…
Magnonic frequency comb through nonlinear magnon-skyrmion scattering
Zhenyu Wang, H. Y. Yuan, Yunshan Cao +3
An optical frequency comb consists of a set of discrete and equally spaced frequencies and has found wide applications in the synthesis over broad spectral frequencies of electroma…
Experimental observation of edge-dependent quantum pseudospin Hall effect
Huanhuan Yang, Lingling Song, Yunshan Cao +2
It is a conventional wisdom that the helical edge states of quantum spin Hall (QSH) insulator are particularly stable due to the topological protection of time-reversal symmetry. H…