48 citations · 304 across the 28 of their papers we have counts for
29 papers
A Full-Spectrum Theory of Moiré Superlattices
Tong Liu, X. R. Wang, Jiansheng Wu
Conventional theoretical descriptions of moiré superlattices, epitomized by the Bistritzer--MacDonald continuum model, are fundamentally constrained by low-energy Dirac cone approx…
Reversible Steady Domain-Wall Motion Driven by a Direct Current
K. Y. Jing, X. R. Wang, H. Y. Yuan
Understanding and manipulating nanoscale domain wall (DW) dynamics is a central topic in magnetism and spintronics for its promising applications in logic and memory devices. In mo…
Unified one-parameter scaling function for Anderson localization transitions in non-reciprocal non-Hermitian systems
C. Wang, Wenxue He, X. R. Wang +1
By using dimensionless conductances as scaling variables, the conventional one-parameter scaling theory of localization fails for non-reciprocal non-Hermitian systems such as the H…
Field-free ultrafast magnetization reversal of a nanodevice by a chirped current pulse via spin-orbit torque
Y. D. Liu, M. T. Islam, T. Min +2
We investigated the magnetization reversal of a perpendicularly magnetized nanodevice using a chirped current pulse (CCP) via spin-orbit torques (SOT). Our findings demonstrate tha…
Anisotropic magnetoresistance in single cubic crystals: A theory and its verification
Yu Miao, Junwen Sun, Cunxu Gao +2
A theory of anisotropic magnetoresistance (AMR) and planar Hall effect (PHE) in single cubic crystals and its experimental verifications are presented for the current in the (001)…
Spin wave amplification through superradiance
X. R. Wang, X. Gong, K. Y. Jing
Superradiance is a phenomenon of multiple facets that occurs in classical and quantum physics under extreme conditions. Here we present its manifestation in spin waves under an eas…
Berezinskii-Kosterlitz-Thouless localization-localization transitions in disordered two-dimensional quantized quadrupole insulators
C. Wang, Wenxue He, Hechen Ren +1
Anderson localization transitions are usually referred to as quantum phase transitions from delocalized states to localized states in disordered systems. Here we report an unconven…
Unusual anisotropic magnetoresistance due to magnetization-dependent spin-orbit interactions
M. Q. Dong, Zhi-Xin Guo, X. R. Wang
One of recent surprising discoveries is the unusual anisotropic magnetoresistance (UAMR) that depends on two magnetization components perpendicular to the current differently, in c…
Anderson localization transitions in disordered non-Hermitian systems with exceptional points
C. Wang, X. R. Wang
The critical exponents of continuous phase transitions of a Hermitian system depend on and only on its dimensionality and symmetries. This is the celebrated notion of the universal…
Transformations from stripy states to skyrmion crystals
X. R. Wang, X. C. Hu, Z. Z. Sun
Stripy states, consisting of a collection of stripy spin textures, are the precursors of skyrmion crystals (SkXs). Common belief is that stripy states and SkXs are topologically un…
On field-driven domain wall motion in compensated ferrimagnetic nanowires
K. Y. Jing, X. Gong, X. R. Wang
The fascinating high-speed field-driven domain wall (DW) motion along ferrimagnetic nanowires near the angular momentum compensation point (AMCP) is solved based on the generic fer…
Skyrmion pinning by disk-shaped defects
X. Gong, K. Y. Jing, J. Lu +1
High precision skyrmion pinning by an intentionally created magnetic structure is important in skyrmion manipulation. Here, we consider skyrmion pinning by various types of disks.…
Chiral Hinge Transport in Disordered Non-Hermitian Second-Order Topological Insulators
C. Wang, X. R. Wang
The generalized bulk-boundary correspondence predicts the existence of the chiral hinge states in three-dimensional second-order topological insulators (3DSOTIs), resulting in a qu…
Linear level repulsions near exceptional points of non-Hermitian systems
C. Wang, X. R. Wang
The nearest-neighbor level-spacing distributions are a fundamental quantity of disordered systems and universal. It is well-known that extended and localized states of random Hermi…
Hermitian chiral boundary states in non-Hermitian topological insulators
C. Wang, X. R. Wang
Eigenenergies of a non-Hermitian system without parity-time symmetry are complex in general. Here, we show that the chiral boundary states of higher-dimensional (two-dimensional an…
Nematic and smectic stripe phases and stripe-SkX transformations
H. T. Wu, X. C. Hu, X. R. Wang
Based on the findings of stripe skyrmions and the metastability of a state of an arbitrary number of skyrmions, precisely controlled manipulation of stripe skyrmions in pre-designe…
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…
Determination of the Dzyaloshinskii-Moriya interactions
Jie Lu, Mei Li, X. R. Wang
Using in-plane field dependence of the precessional flow of chiral domain walls (DWs) to simultaneously determine bulk and interfacial Dzyaloshinskii-Moriya interactions (DMIs) is…
Realizing Corner States in Artificial Crystals Based on Topological Spin Textures
Z. -X. Li, Yunshan Cao, X. R. Wang +1
The recent discovery of higher-order topological insulators (HOTIs) has significantly extended our understanding of topological phases of matter. Here, we predict that second-order…
Strong entanglement of spins inside a quantum domain wall
H. Y. Yuan, Man-Hong Yung, X. R. Wang
Magnetic domain walls (DWs) are widely regarded as classical objects in physics community, even though the concepts of electron spins and spin-spin exchange interaction are quantum…
Anomalous magnon Nernst effect of topological magnonic materials
X. S. Wang, X. R. Wang
The magnon transport driven by thermal gradient in a perpendicularly magnetized honeycomb lattice is studied. The system with the nearest-neighbor pseudodipolar interaction and the…
Influence of nonlocal damping on the field-driven domain wall motion
H. Y. Yuan, Zhe Yuan, Ke Xia +1
We derive the complete expression of nonlocal damping in noncollinear magnetization due to the nonuniform spin current pumped by precessional magnetization and incorporate it into…
Domain Walls as Spin Wave Waveguides
X. S. Wang, X. R. Wang
We numerically demonstrate that domain walls can be used as spin wave waveguides. We show that gapless spin waves bounded inside a domain wall can be guided by the domain wall. For…
Absence of Localization in Disordered Two Dimensional Electron Gas at Weak Magnetic Field and Strong Spin-Orbit Coupling
Ying Su, C. Wang, Y. Avishai +2
The one-parameter scaling theory of localization predicts that all states in a disordered two-dimensional system with broken time reversal symmetry are localized even in the presen…