Showing cond-mat.str-elShow all

843 papers · 1 filter

cond-mat.str-el2026

Collinear spin density wave state in distorted square-lattice GdNiSn

Charles C. Tam, Sarah Schwarz, Xin Zhang +5

We characterize the magnetic ground state of the newly synthesized lanthanide intermetallic GdNiSn via resonant elastic x-ray scattering measurements. This compound forms disto…

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★ 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.str-el2025

Exponential Symmetry-Breaking Phase as a Disorder-Free Quantum Glass

Yu-Min Hu, Zhaoyu Han, Biao Lian

We study the phase diagram of a one-dimensional spin quantum breakdown model, which has an exponential symmetry with charge unit decaying as with site position .…

cond-mat.str-el2025

Measuring the Hall effect in hysteretic materials

Jaime M. Moya, Anthony Voyemant, Sudipta Chatterjee +4

Measurement of the Hall effect is a ubiquitous probe for materials discovery, characterization, and metrology. Inherent to the Hall measurement geometry, the measured signal is oft…

cond-mat.str-el2025

Clustering-Enhanced Time- and Angle-Resolved Photoemission Study of LaTe: Absence of a Photoinduced Secondary CDW in the Electronic Structure

Gesa-R. Siemann, Davide Curcio, Anders S. Mortensen +9

Optical control offers a compelling route for tailoring material properties on an ultrafast time scale. Ordered states such as charge density waves (CDWs) can be transiently melted…

cond-mat.str-el2025

Scaling of the disorder operator at (3+1)D O(3) quantum criticality

Xuyang Liang, Xiao-Chuan Wu, Zenan Liu +3

The disorder operator, as an easily measured nonlocal observable, displays great potential in detecting intrinsic information of field theories. It has been systematically studied…

cond-mat.str-el2025★ 2 cited

Exploring the nature of the emergent gauge field in composite-fermion metals: A large-scale microscopic study

Amogh Anakru, Mytraya Gattu, Ajit C. Balram +4

Field theories of the composite-fermion (CF) metal model it as a Fermi sea of composite fermions coupled to an emergent gauge field. Within a random phase approximation, these theo…

cond-mat.str-el2025

Orbital magnetization and magnetic susceptibility of interacting electrons

Jian Kang, Minxuan Wang, Oskar Vafek

We present a rigorous derivation of the orbital magnetization for interacting electrons within the self-consistent Hartree-Fock approximation. Our method also allows us to derive f…

cond-mat.str-el2025★ 1 cited

There and Back Again: A Gauging Nexus between Topological and Fracton Phases

Pranay Gorantla, Abhinav Prem, Nathanan Tantivasadakarn +1

Coupled layer constructions are a valuable tool for capturing the universal properties of certain interacting quantum phases of matter in terms of the simpler data that characteriz…

cond-mat.str-el2025★ 1 cited

Interplay between many-body correlations, strain and lattice relaxation in twisted bilayer graphene

Lorenzo Crippa, Gautam Rai, Dumitru Călugăru +6

In twisted bilayer graphene, a unified understanding of the mechanisms governing temperature-dependent electronic spectra and thermodynamic properties remains controversial despite…

cond-mat.str-el2025

Higher-Form Anomalies on Lattices

Yitao Feng, Ryohei Kobayashi, Yu-An Chen +1

Higher-form symmetry in a tensor product Hilbert space is always emergent: the symmetry generators become genuinely topological only when the Gauss law is energetically enforced at…

cond-mat.str-el2025★ 5 cited

Critical Majorana fermion at a topological quantum Hall bilayer transition

Cristian Voinea, Wei Zhu, Nicolas Regnault +1

Quantum Hall bilayers are a uniquely tunable platform that can realize continuous transitions between distinct topological phases of matter. One prominent example is the transition…

cond-mat.str-el2025★ 3 cited

Ferromagnetism vs. Antiferromagnetism in Narrow-Band Systems: Competition Between Quantum Geometry and Band Dispersion

Haoyu Hu, Oskar Vafek, Kristjan Haule +1

Magnetism in narrow-band systems arises from the interplay between electronic correlations, quantum geometry, and band dispersion. In particular, both ferro and anti-ferro magnets…

cond-mat.str-el2025★ 1 cited

Semi-Dirac spin liquids and frustrated quantum magnetism on the trellis lattice

Sourin Chatterjee, Atanu Maity, Janik Potten +7

Geometrical frustration in quantum magnets provides a fertile setting for unconventional phases of matter, including quantum spin liquids (QSLs). The trellis lattice, with its comp…

cond-mat.str-el2025★ 1 cited

Symmetry Resolved Entanglement Entropy in a Non-Abelian Fractional Quantum Hall State

Mark J. Arildsen, Valentin Crépel, Nicolas Regnault +1

Symmetry-resolved entanglement entropy provides a powerful framework for probing the internal structure of quantum many-body states by decomposing entanglement into contributions f…

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★ 3 cited

Successive orthorhombic distortions in kagome metals by molecular orbital formation

Ryo Misawa, Shunsuke Kitou, Rinsuke Yamada +12

The kagome lattice, with its inherent frustration, hosts a plethora of exotic phenomena, including the emergence of charge density wave order. The high rotational sym…

cond-mat.str-el2025★ 2 cited

Spinless and spinful charge excitations in moiré Fractional Chern Insulators

Miguel Gonçalves, Juan Felipe Mendez-Valderrama, Jonah Herzog-Arbeitman +5

Fractionally charged elementary excitations, the quasi-electron and quasi-hole, are one of the hallmarks of the fractional Chern insulator (FCI). In this work, we observe that spon…

cond-mat.str-el2025★ 1 cited

Expressivity of determinantal ansatzes for neural network wave functions

Ni Zhan, William A. Wheeler, Gil Goldshlager +3

Neural network wave functions have shown promise as a way to achieve high accuracy on the many-body quantum problem. These wave functions most commonly use a determinant or sum of…

cond-mat.str-el2025★ 5 cited

Implementing advanced trial wave functions in fermion quantum Monte Carlo via stochastic sampling

Zhi-Yu Xiao, Zixiang Lu, Yixiao Chen +2

We introduce an efficient approach to implement correlated many-body trial wave functions in auxiliary-field quantum Monte Carlo (AFQMC). To control the sign/phase problem in AFQMC…

cond-mat.str-el2025

Dilute Paramagnetism and Non-Trivial Topology in Quasicrystal Approximant FeAl

Keenan E. Avers, Jarryd A. Horn, Ram Kumar +5

A very fundamental property of both weakly and strongly interacting materials is the nature of its magnetic response. In this work we detail the growth of crystals of the quasicrys…

cond-mat.str-el2025★ 3 cited

String-Membrane-Nets from Higher-Form Gauging: An Alternate Route to -String Condensation

Pranay Gorantla, Abhinav Prem, Nathanan Tantivasadakarn +1

We present a new perspective on the -string condensation procedure for constructing 3+1D fracton phases by implementing this process via the gauging of higher-form symmetries. S…

cond-mat.str-el2025★ 5 cited

Driven Non-Unitary Dynamics of Quantum Critical Systems

Bastien Lapierre, Pietro Pelliconi, Shinsei Ryu +1

We investigate the interplay between unitary and non-unitary driven many-body dynamics in (1+1)-dimensional quantum critical systems described by conformal field theory (CFT). By f…