134 citations · 938 across the 26 of their papers we have counts for
26 papers
Magnetic Quadrupole Lens and Current-Induced Quadrupolar Dynamics of Antiskyrmion
Linfeng Du, Yang Liu, Peng Yan +1
We demonstrate that antiskyrmions can serve as magnetic quadrupole lenses that focus or defocus electric currents traversing them. We showcase the antiskyrmion core as a focal poin…
Exciton Superposition across Moiré States in a Semiconducting Moiré Superlattice
Zhen Lian, Dongxue Chen, Yuze Meng +9
Moiré superlattices of semiconducting transition metal dichalcogenides (TMDCs) enable unprecedented spatial control of electron wavefunctions in an artificial lattice with periodic…
Quadrupolar Excitons and Hybridized Interlayer Mott Insulator in a Trilayer Moiré Superlattice
Zhen Lian, Dongxue Chen, Lei Ma +13
Transition metal dichalcogenide (TMDC) moiré superlattices, owing to the moiré flatbands and strong correlation, can host periodic electron crystals and fascinating correlated phys…
Many-Body Anderson Metal-Insulator Transition using Kicked Quantum Gases
Jun Hui See Toh, Mengxin Du, Xinxin Tang +6
Understanding the interplay of interactions and disorder in quantum transport poses long-standing scientific challenges, with many-body quantum transport phenomena in high-dimensio…
Massive Dirac fermions in moiré superlattices: a route towards topological flat minibands
Ying Su, Heqiu Li, Chuanwei Zhang +2
We demonstrate a generic mechanism to realize topological flat minibands by confining massive Dirac fermions in a periodic moiré potential, which can be achieved in a heterobilayer…
Observation of Many-body Dynamical Delocalization in a Kicked Ultracold Gas
Jun Hui See Toh, Katherine C. McCormick, Xinxin Tang +4
Contrary to a driven classical system that exhibits chaos phenomena and diffusive energy growth, a driven quantum system can exhibit dynamical localization that features energy sat…
Meron, skyrmion, and vortex crystals in centrosymmetric tetragonal magnets
Zhentao Wang, Ying Su, Shi-Zeng Lin +1
The recent experimental confirmation of a transformation between meron and skyrmion topological spin textures in the chiral magnet CoZnMn [S.-Z. Lin et al., Phys. Rev.…
Large Tunable Anomalous Hall Effect in the Kagom Antiferromagnet URuAl
T. Asaba, Ying Su, M. Janoschek +5
The Berry curvature in magnetic systems is attracting interest due to the potential tunability of topological features via the magnetic structure. -electrons, with their large s…
Stable Higgs mode in anisotropic quantum magnets
Ying Su, A. Masaki-Kato, Wei Zhu +3
Low-energy excitations associated with the amplitude fluctuation of an order parameter in condensed matter systems can mimic the Higgs boson, an elementary particle in the standard…
Tunable lattice reconstruction and bandwidth of flat bands in magic-angle twisted bilayer graphene
Yi-Wen Liu, Ying Su, Xiao-Feng Zhou +10
The interplay between interlayer van der Waals interaction and intralayer lattice distortion can lead to structural reconstruction in slightly twisted bilayer graphene (TBG) with t…
Intervalley quantum interference and measurement of Berry phase in bilayer graphene
Yu Zhang, Ying Su, Lin He
Chiral quasiparticles in Bernal-stacked bilayer graphene have valley-contrasting Berry phases of 2π. This nontrival topological structure, associated with the pseudospin winding al…
Current-induced reversal of anomalous Hall conductance in twisted bilayer graphene
Ying Su, Shi-Zeng Lin
It is observed experimentally that the sign of the Hall resistance can be flipped by a dc electric current in the twisted bilayer graphene (TBG) at 3/4 filling of the four-fold deg…
Universal intrinsic higher-rank spin Hall effect
Junpeng Hou, Ying Su, Chuanwei Zhang
Spin Hall effect (SHE), a fundamental transport phenomenon with non-zero spin current but vanishing charge current, has important applications in spintronics for the electrical con…
Skyrmion Crystal from RKKY Interaction Mediated by 2D Electron Gas
Zhentao Wang, Ying Su, Shi-Zeng Lin +1
We consider a C invariant lattice of magnetic moments coupled via a Kondo exchange with a 2D electron gas (2DEG). The effective Ruderman-Kittel-Kasuya-Yosida interaction be…
Topological Sliding Moiré Heterostructure
Ying Su, Shi-Zeng Lin
We investigate the effect of sliding motion of layers in Moiré heterostructures on the electronic state. We show that the sliding Moiré heterostructure can generate nontrivial topo…
Dimension transcendence and anomalous charge transport in magnets with moving multiple- spin textures
Ying Su, Satoru Hayami, Shi-Zeng Lin
Multiple- spin textures, such as magnetic bubble and skyrmion lattices, can be driven into motion by external stimuli. The motion of spin textures affects the electronic states.…
Valley Polarization and Inversion in Strained Graphene via Pseudo-Landau Levels, Valley Splitting of Real Landau Levels and Confined States
Si-Yu Li, Ying Su, Ya-Ning Ren +1
It is quite easy to control spin polarization and spin direction of a system via magnetic fields. However, there is no such a direct and efficient way to manipulate valley pseudosp…
Nontrivial topology and localization in the double exchange model with possible applications to perovskite manganites
Ying Su, Shi-Zeng Lin
The double exchange model describing the coupling between conduction electrons and localized magnetic moments is relevant for a large family of physical systems including manganite…
Pairing symmetry and spontaneous vortex-antivortex lattice in superconducting twisted-bilayer graphene: Bogoliubov-de Gennes approach
Ying Su, Shi-Zeng Lin
We study the superconducting pairing symmetry in twisted bilayer graphene by solving the Bogoliubov-de Gennes equation for all electrons in moiré supercells. With increasing the pa…
Chiral anomaly of Weyl magnons in stacked honeycomb ferromagnets
Ying Su, X. R. Wang
Chiral anomaly of Weyl magnons (WMs), featured by nontrivial band crossings at paired Weyl nodes (WNs) of opposite chirality, is investigated. It is shown that WMs can be realized…
A Generic Phase between Disordered Weyl Semimetal and Diffusive Metal
Ying Su, X. S. Wang, X. R. Wang
Quantum phase transitions of three-dimensional (3D) Weyl semimetals (WSMs) subject to uncorrelated on-site disorder are investigated through quantum conductance calculations and fi…
Magnonic Weyl semimetal in pyrochlore ferromagnets
Ying Su, X. S. Wang, X. R. Wang
Topological states of matter have been a subject of intensive studies in recent years because of their exotic properties such as the topologically protected edge and surface states…
Topological Anderson Insulators in Systems without Time-Reversal Symmetry
Ying Su, Y. Avishai, X. R. Wang
Occurrence of topological Anderson insulator (TAI) in HgTe quantum well suggests that when time-reversal symmetry (TRS) is maintained, the pertinent topological phase transition, m…
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…