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20102026
most citedDiscovery of a Weyl Fermion Semimetal and Topological Fermi Arcs

3.3k citations

Showing cond-mat.str-elShow all

309 papers · 1 filter

cond-mat.str-el2026

Evolution from three-dimensional charge density wave to one-dimensional stripe order in CsVTiSb

Qian Xiao, Xiangqi Liu, Zihao Huang +6

Understanding intertwined phases near quantum criticality is a central challenge in correlated electron systems. The kagome metal CsVTiSb provides a fertile platfor…

cond-mat.str-el2026★ 3 cited

Large room temperature anomalous Nernst effect coupled with topological Nernst effect from incommensurate spin structure in a Kagome antiferromagnet

Jiajun Ma, Jiaxing Liao, Yazhou Li +6

Kagome magnets exhibit a range of novel and nontrivial topological properties due to the strong interplay between topology and magnetism, which also extends to their thermoelectric…

cond-mat.str-el2026

Emergent Gauge Flux and Spin Ordering in Magnetized Triangular Spin Liquids: Applications to Hofstadter-Hubbard Model

Jiahao Yang, Hao Tian, Si-Yu Pan +1

Motivated by recent progress in moiré superlattices and spin-1/2 triangular-lattice antiferromagnets, we study how orbital magnetic flux and Zeeman coupling compete or cooperate in…

cond-mat.str-el2026★ 1 cited

Surface chiral Abelian topological order on multilayer cluster Mott insulators

Xu-Ping Yao, Chao-Kai Li, Gang v. Chen

The surface states of a symmetry protected topological state can have many possibilities. Here we propose a chiral Abelian topological order on a distinct surface of a multilayer-s…

cond-mat.str-el2026★ 5 cited

Topological physics in quantum critical systems

Xue-Jia Yu, Limei Xu, Hai-Qing Lin

Topology forms a cornerstone in modern condensed matter and statistical physics, offering a new framework to classify the phases and phase transitions beyond the traditional Landau…

cond-mat.str-el2025★ 1 cited

Orbital homology of p and t2g orbitals in models and materials

Gang v. Chen, Congjun Wu

The nominal divide between - and -electron systems often obscures a deep underlying unity in condensed matter physics. This review elucidates the orbital homology between the…

cond-mat.str-el2025

Spin-Valley Anderson Impurity for Moiré Systems: Fermi Liquid, Pairing, and Pseudogap

Yi-Jie Wang, Geng-Dong Zhou, Hyunsung Jung +3

Recent experiments support that the magic-angle graphene can be modeled by a periodic array of correlated quantum impurities, immersed in a Dirac sea. This work analytically tackle…

cond-mat.str-el2025

Generalizing the composite fermion theory for fractional Chern insulators

Hao Jin, Junren Shi

We propose a generalized composite fermion (CF) theory for fractional Chern insulators (FCIs) by adapting the quantum mechanics approach of CFs. The theoretical framework naturally…

cond-mat.str-el2025★ 4 cited

Strongly correlated electrons in superconducting islands with fluctuating Cooper pairs

Tie-Feng Fang, Ai-Min Guo, Qing-Feng Sun

We present a particle-number conserving theory for many-body effects in mesoscopic superconducting islands connected to normal electrodes, which explicitly includes quantum fluctua…

cond-mat.str-el2025

Projected Holstein-Primakoff boson representation of quantum spins for spin wave theory

Ke Liu, Fangyu Xiong, Fa Wang

The Holstein-Primakoff boson representation of quantum spins and associated large- expansion have been the standard framework for describing the spin wave excitations in magneti…

cond-mat.str-el2025★ 1 cited

Gauge flux generations of weakly magnetized Dirac spin liquid in a kagomé lattice

Si-Yu Pan, Jiahao Yang, Gang v. Chen

Inspired by the recent progress on the Dirac spin liquid and the kagomé lattice antiferromagnets, we revisit the U(1) Dirac spin liquid on the kagomé lattice and consider the respo…

cond-mat.str-el2025

Non-Abelian Statistics for Bosonic Symmetry-Protected Topological Phases

Hong-Yu Wang, Bao-Zong Wang, Jian-Song Hong +1

Symmetry-protected non-Abelian (SPNA) statistics opens new frontiers in quantum statistics and enriches the schemes for topological quantum computing. In this work, we propose a ne…

cond-mat.str-el2025★ 2 cited

Thermal SU(2) lattice gauge theory for intertwined orders and hole pockets in the cuprates

Harshit Pandey, Maine Christos, Pietro M. Bonetti +3

The cuprate pseudogap phase displays Fermi arc spectral weight in photoemission and scanning tunneling microscopy (STM), while recent magnetotransport observations yield evidence f…

cond-mat.str-el2025★ 3 cited

Evidence of Mott Insulator with Thermally Induced Melting Behavior in Kagome Compound Nb3Cl8

Qiu Yang, Min Wu, Jingyi Duan +12

The kagome lattice provides a playground to explore novel correlated quantum states due to the presence of flat bands in its electronic structure. Recently discovered layered kagom…

cond-mat.str-el2025

Classical symmetry enriched topological orders and distinct monopole charges for dipole-octupole spin ices

Pengwei Zhao, Gang v. Chen

Distinct symmetry enriched topological orders often do not have classical distinctions. Motivated by the recent progress on the pyrochlore spin ice materials based on the dipole-oc…

cond-mat.str-el2025★ 4 cited

Photo-induced Dynamics and Momentum Distribution of Chiral Charge Density Waves in 1T-TiSe

Qingzheng Qiu, Sae Hwan Chun, Jaeku Park +14

Exploring the photoinduced dynamics of chiral states offers promising avenues for advanced control of condensed matter systems. Photoinduced or photoenhanced chirality in 1T-TiSe$_…

cond-mat.str-el2024

Z topological orders in kagomé dipolar systems: Feedback from Rydberg quantum simulator

Pengwei Zhao, Gang v. Chen

The mutual feedback between quantum condensed matter and cold atom physics has been quite fruitful throughout history and continues to inspire ongoing research. Motivated by the re…

cond-mat.str-el2024

Multipolar ferroelectricity in the Mott regime

Pengwei Zhao, Jiahao Yang, Gang v. Chen

Ferroelectricity has been one major focus in modern fundamental research and technological application. We consider the physical origin of improper ferroelectricity in Mott insulat…

cond-mat.str-el2024★ 1 cited

Nematic correlations and nematic Berezinskii-Kosterlitz-Thouless transition in spin-1 kagome lattice antiferromagnets

Chun-Jiong Huang, Xu-Ping Yao, Gang v. Chen

Nematicity plays an important role in strongly correlated electron systems. We explore the spin nematicity of a spin-1 kagome lattice antiferromagnet with the bilinear-biquadratic…

cond-mat.str-el2024★ 16 cited

Nematic Ising superconductivity with hidden magnetism in few-layer 6R-TaS2

Shao-Bo Liu, Congkuan Tian, Yuqiang Fang +19

In van der Waals heterostructures (vdWHs), the manipulation of interlayer stacking/coupling allows for the construction of customizable quantum systems exhibiting exotic physics. A…

cond-mat.str-el2024★ 13 cited

Electron phonon coupling in the topological heavy fermion model of twisted bilayer graphene

Yi-Jie Wang, Geng-Dong Zhou, Biao Lian +1

On flat bands of the magic-angle twisted bilayer graphene, exotic correlation physics unfolds. Phonons, through mediating an effective electron-electron interaction, can play a cru…

cond-mat.str-el2024★ 4 cited

Three-dimensional quantum Griffiths singularity in bulk iron-pnictide superconductors

Shao-Bo Liu, Congkuan Tian, Yongqing Cai +15

The quantum Griffiths singularity (QGS) is a phenomenon driven by quenched disorders that break conventional scaling invariance and result in a divergent dynamical critical exponen…

cond-mat.str-el2024★ 33 cited

Correlated Electronic Structure and Incipient Flat Bands of the Kagome Superconductor CsCr3Sb5

Yidian Li, Yi Liu, Xian Du +16

Kagome materials exhibit many novel phenomena emerging from the interplay between lattice geometry, electronic structure, and topology. A prime example is the vanadium-based kagome…

cond-mat.str-el2024★ 1 cited

Using magnetic dynamics to measure the spin gap in a candidate Kitaev material

Xinyi Jiang, Qingzheng Qiu, Cheng Peng +16

Materials potentially hosting Kitaev spin-liquid states are considered crucial for realizing topological quantum computing. However, the intricate nature of spin interactions withi…