activity
20222026
most citedLocal probe of bulk and edge states in a fractional Chern insulator

65 citations · 225 across the 31 of their papers we have counts for

collaborators

31 papers

cond-mat.str-el2026

Multiple closely spaced transitions and multi-band Hall response in clean ScVSn

Jonathan M. DeStefano, Elliott Rosenberg, Chaowei Hu +2

The kagome metal ScVSn has attracted attention as a platform for exploring the interplay between charge density wave (CDW) order and symmetry-breaking phenomena, including…

cond-mat.mes-hall2026

Electrically Programmable Correlated Topology and Magnetism in a Moiré Trilayer

Christiano Wang Beach, Courtney Baier, Kaijie Yang +15

Strong electron-electron interactions underlie a wide range of quantum many-body phenomena, including magnetism, superconductivity, and charge fractionalization. A central goal is…

cond-mat.mtrl-sci2026

Atomic-Scale Observation of Symmetry Breaking in Altermagnetic MnTe

Guodong Ren, Jonathan M. DeStefano, Xiao-Wei Zhang +20

The recent discovery of altermagnetism has sparked growing interest in compensated magnetic systems as promising platforms for highly scalable spintronics. Altermagnetism is a dist…

cond-mat.mes-hall2026

Van Hove Singularity-Driven Topological Magnetism in Twisted MoTe2

Heonjoon Park, Julian Stewart, Xiao-Wei Zhang +15

Van Hove singularities (vHSs) strongly amplify electron interactions and can stabilize correlated phases in topological bands. Here we report signatures of topological magnetism in…

cond-mat.supr-con2026

Record magnetoresistance, enhanced superconductivity, and fermiology in WTe2

Gianluca Delgado, Elliott Runburg, Chaowei Hu +12

The diverse electronic properties of transition metal chalcogenides can be very sensitive to crystal imperfections. A new crystal growth technique, known as horizontal flux transpo…

cond-mat.str-el2026

Ferroaxial and nematic transitions in the charge density wave phase of 1T-TiSe

Sarah Edwards, Elliott Rosenberg, Ilaria Maccari +9

Charge density waves (CDWs) with multi-component order parameters can break unexpected symmetries through the interplay of nearly degenerate instabilities. In the widely investigat…

cond-mat.mtrl-sci2026

Atomically Resolved Acoustic Dynamics Coupled with Magnetic Order in a van der Waals Antiferromagnet

Faran Zhou, Kyle Hwangbo, Sung Soo Ha +22

Magnetoelastic coupling in van der Waals (vdW) magnetic materials enables a unique interplay between the spin and lattice degrees of freedom. Characterizing the elastic responses w…

cond-mat.str-el2026★ 2 cited

Candidate for a Fractional Topological Insulator in Twisted MoTe2

Yiping Wang, Gillian E. Minarik, Weijie Li +15

The interplay among electronic correlation, topology, and time-reversal-symmetry (TRS) often leads to exotic quantum states of matter, as highlighted by the discoveries of fraction…

cond-mat.supr-con2026

Tripling of the Superconducting Critical Current Density in BaFe(AsP) Retained After Pressure Release

Jiangteng Liu, Alex Lopez, Daniel Slone +5

Superconducting performance is tunable not only via chemical modification or defect engineering, but also through external parameters such as pressure, though this method remains l…

cond-mat.mes-hall2025

Bichromatic Moiré Superlattices for Tunable Quadrupolar Trions and Correlated States

Mingfeng Chen, Runtong Li, Haonan Wang +11

Moiré superlattices in transition metal dichalcogenide heterostructures provide a platform to engineer many-body interactions. Here, we realize a bichromatic moiré superlattice in…

cond-mat.str-el2025★ 1 cited

Strain-tunable anomalous Hall effect in hexagonal MnTe

Zhaoyu Liu, Sijie Xu, Jonathan M. DeStefano +15

The ability to control and manipulate time-reversal () symmetry-breaking phases with near-zero net magnetization is a sought-after goal in spintronic devices. The recently disco…

cond-mat.mes-hall2025

Optical Control of Integer and Fractional Chern Insulators

William Holtzmann, Weijie Li, Eric Anderson +9

Optical control of topology, particularly in the presence of electron correlations, is a fascinating topic with broad scientific and technological impact. Twisted MoTe bilayer…

cond-mat.str-el2025★ 1 cited

Dichotomy of flat bands in the van der Waals ferromagnet FeGeTe

Han Wu, Jianwei Huang, Chaowei Hu +28

Quantum materials with bands of narrow bandwidth near the Fermi level represent a promising platform for exploring a diverse range of fascinating physical phenomena, as the high de…

cond-mat.str-el2025

Interaction-driven flat band and charge order in Fe5GeTe2

Qiang Gao, Gabriele Berruto, Khanh Duy Nguyen +9

Flat electronic bands enable fascinating emergent phenomena such as superconductivity and charge orders. A prevailing approach to realizing flat bands is to engineer lattice geomet…

cond-mat.mes-hall2025

Universal Magnetic Phases in Twisted Bilayer MoTe

Weijie Li, Evgeny Redekop, Christiano Wang Beach +15

Twisted bilayer MoTe (tMoTe) has emerged as a robust platform for exploring correlated topological phases, notably supporting fractional Chern insulator (FCI) states at zer…

cond-mat.mes-hall2025★ 1 cited

Purcell enhancement of photogalvanic currents in a van der Waals plasmonic self-cavity

Xinyu Li, Jesse Hagelstein, Gunda Kipp +23

Cavities provide a means to manipulate the optical and electronic responses of quantum materials by selectively enhancing light-matter interaction at specific frequencies and momen…

cond-mat.mes-hall2025

Giant elastoresistance in magic-angle twisted bilayer graphene

Xuetao Ma, Zhaoyu Liu, Jiaqi Cai +5

Strongly correlated and topological phases in moiré materials are exquisitely sensitive to lattice geometry at both atomic and superlattice length scales. Twist angle, pressure, an…

cond-mat.str-el2025

Elastocaloric signature of the excitonic instability in TaNiSe

Elliott Rosenberg, Joss Ayres-Sims, Andrew Millis +2

On cooling through a temperature of around 324 K, TaNiSe undergoes a transition from a semimetallic state to one with a gapped electronic spectrum which is suspected…

cond-mat.mes-hall2025★ 13 cited

Engineering robust strain transmission in van der Waals heterostructure devices

John Cenker, Jordan Fonseca, Mai Nguyen +8

Atomically thin van der Waals materials provide a highly tunable platform for exploring emergent quantum phenomena in solid state systems. Due to their remarkable mechanical streng…

cond-mat.mes-hall2025★ 1 cited

Observation of High-Temperature Dissipationless Fractional Chern Insulator

Heonjoon Park, Weijie Li, Chaowei Hu +13

The fractional quantum anomalous Hall effect has recently been experimentally observed in zero-field fractional Chern insulators (FCI). However, an outstanding challenge is the pre…

cond-mat.mes-hall2025

Visualizing Field-free Deterministic Magnetic Switching of all-van der Waals Spin-Orbit Torque System Using Spin Ensembles in Hexagonal Boron Nitride

Xi Zhang, Jingcheng Zhou, Chaowei Hu +19

Recently, optically active spin defects embedded in van der Waals (vdW) crystals have emerged as a transformative quantum sensing platform to explore cutting-edge materials science…

cond-mat.str-el2025★ 7 cited

Giant coercivity and enhanced intrinsic anomalous Hall effect at vanishing magnetization in a compensated kagome ferrimagnet

Jonathan M. DeStefano, Elliott Rosenberg, Guodong Ren +9

Ferrimagnets that can be driven to magnetic compensation show promise for use in spintronics as they exhibit a finite anomalous Hall effect at zero magnetic field without having a…

cond-mat.mes-hall2024★ 4 cited

Nonperturbative Nonlinear Transport in a Floquet-Weyl Semimetal

Matthew W. Day, Kateryna Kusyak, Felix Sturm +23

Periodic laser driving, known as Floquet engineering, is a powerful tool to manipulate the properties of quantum materials. Using circularly polarized light, artificial magnetic fi…

cond-mat.mes-hall2024★ 1 cited

Ferromagnetism and Topology of the Higher Flat Band in a Fractional Chern Insulator

Heonjoon Park, Jiaqi Cai, Eric Anderson +18

The recent observation of the fractional quantum anomalous Hall effect in moiré fractional Chern insulators provides an opportunity to investigate zero magnetic field anyons. To po…