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19922026
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cond-mat.str-el2026★ 2 cited

Electron-phonon coupling in EuAl4 under hydrostatic pressure

A. S. Sukhanov, S. Gebel, A. N. Korshunov +7

In the intermetallid rare-earth tetragonal EuAl4 system, competing itinerant exchange mechanisms lead to a complex magnetic phase diagram, featuring a centrosymmetric skyrmion latt…

cond-mat.str-el2026

Quasi-one-dimensional spin excitations in the iron pnictide NaFeCuAs

Yifan Wang, David W. Tam, Weiyi Wang +8

Spectroscopic measurements in model one-dimensional (1D) correlated systems offer insights for understanding their two-dimensional counterparts, which include the cuprate and iron…

cond-mat.str-el2026

Spectroscopic Demarcation of Emergent Photons and Spinons in a Dipolar-Octupolar Quantum Spin Liquid

Bin Gao, Zhengbang Zhou, Tingjun Zhang +4

The identification of fractionalized excitations in quantum spin liquids (QSLs) remains a central challenge in condensed matter physics. In dipolar-octupolar (DO) pyrochlores, such…

cond-mat.str-el2025★ 2 cited

Jordan-Wigner Transformation for the Description of Strong Correlation in Fermionic Systems

Thomas M. Henderson, Guo P. Chen, Gustavo E. Scuseria

Seniority is a useful way of organizing Hilbert space for strongly correlated systems. The exact zero-seniority wave function, doubly-occupied configuration interaction (DOCI), pro…

cond-mat.str-el2025★ 2 cited

Magnetic field-induced momentum-dependent symmetry breaking in a kagome superconductor

Jianwei Huang, Zheng Ren, Hengxin Tan +17

When multiple degrees of freedom share similar energy scales in quantum materials, intertwined electronic orders, which exhibit broken symmetries, are often strongly coupled. Recen…

cond-mat.str-el2025

Structural modulation, physical properties, and electronic band structure of the kagome metal UCrGe

Z. W. Riedel, P. A. E. Murgatroyd, C. S. Kengle +13

The chemical flexibility of the stoichiometry, where an -block element is intercalated in the CoSn structure type, allows for the tuning of flatbands associated with k…

cond-mat.str-el2025★ 2 cited

Interacting spin and charge density waves in kagome metal FeGe

Mason L. Klemm, Tingjun Zhang, Barry L. Winn +7

Unveiling the interplay between spin density wave (SDW) and charge density wave (CDW) orders in correlated electron materials is important to obtain a comprehensive understanding o…

cond-mat.str-el2025

Signatures of three-state Potts nematicity in spin excitations of the van der Waals antiferromagnet FePSe

Weiliang Yao, Viviane Peçanha Antonio, Devashibhai Adroja +6

In two-dimensional (2D) nearly square-lattice quantum materials, electron correlations can induce an electronic nematic phase with twofold rotational () symmetry that profound…

cond-mat.str-el2025

Amplified response of cavity-coupled quantum-critical systems

Shouvik Sur, Yiming Wang, Mounica Mahankali +2

A quantum critical point develops when matter undergoes a continuous transformation between distinct ground states at absolute zero. It hosts pronounced quantum fluctuations, which…

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.str-el2025★ 1 cited

Electronic origin of delicate antiferromagnetism in FeNbS

Wenxin Li, Jonathan T. Reichanadter, Shan Wu +16

Among the family of intercalated transition-metal dichalcogenides (TMDs), FeNbS is found to possess unique current-induced resistive switching behaviors, tunable antiferr…

cond-mat.str-el2025

Thermoelectric evidence of the electronic structure changes from the charge-density-wave transition in FeGe

Kaila Jenkins, Yuan Zhu, Dechen Zhang +9

Kagome metals provide a material platform for probing new correlated quantum phenomena due to the naturally incorporated linear dispersions, flat bands, and Van Hove singularities…

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

Spontaneously Broken Non-Invertible Symmetries in Transverse-Field Ising Qudit Chains

Kristian Tyn Kai Chung, Umberto Borla, Andriy H. Nevidomskyy +1

Recent developments have revealed that symmetries need not form a group, but instead can be non-invertible. Here we use analytical arguments and numerical evidence to illuminate ho…

cond-mat.str-el2025★ 1 cited

Magnetism of kagome metals studied by SR

Yipeng Cai, Sungwon Yoon, Qi Sheng +17

We study the magnetic properties of the metallic kagome system by a combination of Muon Spin Relaxation (…

cond-mat.str-el2025

Geometrically Frustrated Quadrupoles on the Pyrochlore Lattice and Generalized Spin Liquids

Kristian Tyn Kai Chung, Sylvain Petit, Julien Robert +1

As an instance of geometrical frustration with non-magnetic degrees of freedom, we explore the physics of local spin moments on the pyrochlore lattice that interact via p…

cond-mat.str-el2025★ 9 cited

Anomalous Electrical Transport in the Kagome Magnet YbFeGe

Weiliang Yao, Supeng Liu, Hodaka Kikuchi +19

Two-dimensional (2D) kagome metals offer a unique platform for exploring electron correlation phenomena derived from quantum many-body effects. Here, we report a combined study of…

cond-mat.str-el2025

Symmetry-Projected Spin-AGP Methods Applied to Spin Systems

Zhiyuan Liu, Thomas M. Henderson, Gustavo E. Scuseria

Symmetry-projected wave function methods capture static correlation by breaking and restoring the symmetries of a system. In this article, we present the symmetry-projected spin an…

cond-mat.str-el2025

Quantum transport in 1D Hubbard model: Drude weights and Seebeck effect

Jia-Jia Luo, Sagarika Basak, Han Pu +1

The Drude weight (DW) is an essential quantity that characterizes the quantum transport properties of many-body systems. However, a rigorous understanding and exact computation of…

cond-mat.str-el2025

Correlated Hopf insulators

Konstantinos Ladovrechis, Shouvik Sur

Hopf insulators represent an exceptional class of topological matter unanticipated by the periodic table of topological invariants. These systems point to the existence of previous…

cond-mat.str-el2025★ 2 cited

Correlation between Complex Spin Textures and the Magnetocaloric and Hall Effects in Eu(GaAl) ( = 0.9, 1)

Kelly J. Neubauer, Kevin Allen, Jaime M. Moya +7

Determining the electronic phase diagram of a quantum material as a function of temperature (T) and applied magnetic field (H) forms the basis for understanding the microscopic ori…

cond-mat.str-el2025★ 11 cited

Platforms for the realization and characterization of Tomonaga-Luttinger liquids

Isabelle Bouchoule, Roberta Citro, Tim Duty +5

The concept of a Tomonaga-Luttinger liquid (TLL) has been established as a fundamental theory for the understanding of one-dimensional quantum systems. Originally formulated as a r…

cond-mat.str-el2024

First-Principles Study of the Fermi Surface Topology of CeCuSi

Roxanne M. Tutchton, Jean-Pierre Julien, Qimiao Si +1

Since the discovery of heavy-fermion superconductivity in CeCuSi, the material has attracted great interest particularly with regard to the nature of the superconductin…

cond-mat.str-el2024★ 2 cited

Cubic Dirac Semimetals: General Theory and Application to Rare-Earth Magnets

Shouvik Sur, Chandan Setty

Rare-earth magnets with parent cubic symmetry exhibit unique topological properties. However, the origin of these behaviors remains presently unclear. Here, we develop minimal mode…