339 citations · 1.1k across the 15 of their papers we have counts for
15 papers
Non-local low energy neutral excitations in a strongly disordered triangular Mott magnet CrSeBr
Wenhao Liu, Dechen Zhang, Yuanqi Lyu +13
Understanding if low-energy excitations can remain itinerant in the presence of strong disorder remains a central challenge in frustrated quantum magnets, where disorder is general…
Spin-charge-lattice coupling across the charge density wave transition in a Kagome lattice antiferromagnet
Xiaokun Teng, David W. Tam, Lebing Chen +9
Understanding spin and lattice excitations in a metallic magnetic ordered system form the basis to unveil the magnetic and lattice exchange couplings and their interactions with it…
Thermal evolution of spin excitations in honeycomb Ising antiferromagnetic FePSe3
Lebing Chen, Xiaokun Teng, Ding Hu +6
We use elastic and inelastic neutron scattering (INS) to study the antiferromagnetic (AF) phase transitions and spin excitations in the two-dimensional (2D) zig-zag antiferromagnet…
Two-Step Electronic Response to Magnetic Ordering in a van der Waals Ferromagnet
Han Wu, Jian-Xin Zhu, Lebing Chen +21
The two-dimensional (2D) material CrGeTe is a member of the class of insulating van der Waals magnets. Here, using high resolution angle-resolved photoemission spectros…
Disorder-induced excitation continuum in a spin-1/2 cobaltate on a triangular lattice
Bin Gao, Tong Chen, Chien-Lung Huang +12
A spin-1/2 triangular-lattice antiferromagnet is a prototypical frustrated quantum magnet, which exhibits remarkable quantum many-body effects that arise from the synergy between g…
Competing itinerant and local spin interactions in kagome metal FeGe
Lebing Chen, Xiaokun Teng, Hengxin Tan +9
Two-dimensional kagome metals consisting of corner-sharing triangles offer a unique platform for studying strong electron correlations and band topology due to its geometrically fr…
Diffusive Excitonic Bands from Frustrated Triangular Sublattice in a Singlet-Ground-State System
Bin Gao, Tong Chen, Xiao-Chuan Wu +17
Magnetic order in most materials occurs when magnetic ions with finite moments in a crystalline lattice arrange in a particular pattern below the ordering temperature determined by…
Intertwined magnetism and charge density wave order in kagome FeGe
Xiaokun Teng, Ji Seop Oh, Hengxin Tan +15
Electron correlations often lead to emergent orders in quantum materials. Kagome lattice materials are emerging as an exciting platform for realizing quantum topology in the presen…
Anisotropic magnon damping by zero-temperature quantum fluctuations in ferromagnetic CrGeTe
Lebing Chen, Chengjie Mao, Jae-Ho Chung +7
Spin and lattice are two fundamental degrees of freedom in a solid, and their fluctuations about the equilibrium values in a magnetic ordered crystalline lattice form quasiparticle…
Discovery of charge density wave in a correlated kagome lattice antiferromagnet
Xiaokun Teng, Lebing Chen, Feng Ye +18
A hallmark of strongly correlated quantum materials is the rich phase diagram resulting from competing and intertwined phases with nearly degenerate ground state energies. A well-k…
Spin Waves and Dirac Magnons in a Honeycomb Lattice Zig-zag Antiferromagnet BaNi2(AsO4)2
Bin Gao, Tong Chen, Chong Wang +5
The topological properties of massive and massless fermionic quasiparticles have been intensively investigated over the past decade in topological materials without magnetism. Rece…
Massless Dirac magnons in the two dimensional van der Waals honeycomb magnet CrCl3
Lebing Chen, Matthew B. Stone, Alexander I. Kolesnikov +4
Two dimensional van der Waals ferromagnets with honeycomb structures are expected to host the bosonic version of Dirac particles in their magnon excitation spectra. Using inelastic…
Magnetic field effect on topological spin excitations in CrI
Lebing Chen, Jae-Ho Chung, Matthew B. Stone +8
The search for topological spin excitations in recently discovered two-dimensional (2D) van der Waals (vdW) magnetic materials is important because of their potential applications…
Spin excitations in metallic kagome lattice FeSn and CoSn
Yaofeng Xie, Lebing Chen, Tong Chen +11
In two-dimensional (2D) metallic kagome lattice materials, destructive interference of electronic hopping pathways around the kagome bracket can produce nearly localized electrons,…
Topological spin excitations in honeycomb ferromagnet CrI
Lebing Chen, Jae-Ho Chung, Bin Gao +5
In two dimensional honeycomb ferromagnets, bosonic magnon quasiparticles (spin waves) may either behave as massless Dirac fermions or form topologically protected edge states. The…