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Mathematics Preprint PDF DOI

A class of Exel--Laca algebras reciprocal to Cuntz--Krieger algebras

Kengo Matsumoto, Taro Sogabe ยท 2026

The reciprocality means a duality in Kirchberg algebras between K-theory groups and strong extension groups. In the paper, we will find a certain class of unital simple Exel--Laca algebras for which tโ€ฆ

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Physics Preprint PDF DOI

Electronic structure, quasiparticle renormalizations, and magnetic correlations in the alternating single-layer bilayer nickelate La$_5$Ni$_3$O$_{11}$

I. V. Leonov ยท 2026

Using DFT+DMFT we study the normal-state electronic structure and magnetic correlations of the recently discovered alternating single-layer bilayer Raddlesden-Popper nickelate La$_5$Ni$_3$O$_{11}$ (12โ€ฆ

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Chemistry Preprint PDF DOI

Solv-eze: Automated Placement of Explicit Water Molecules Using 3D-RISM

Felipe Silva Carvalho, Steven Ramsey, Tom Kurtzman, Tyler Luchko ยท 2026

Molecular dynamics (MD) simulations are widely used to study biological systems, where water molecules often play a critical role in protein-ligand interactions. In conventional MD preparation protocoโ€ฆ

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Physics Preprint PDF DOI

Control of the N\'eel vector in the quantum antiferromagnetic honeycomb lattice

Asliddin Khudoyberdiev, Dag-Bjorn Hering, Vanessa Sulaiman, Gotz S. Uhrig ยท 2026

The switching of antiferromagnetic order and its efficient control promise to enable ultrafast manipulation of data and large storage capacity. Recently, the time-dependent Schwinger boson mean-field โ€ฆ

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Physics Preprint PDF DOI

Chirality Transfer to the Centrosymmetric Magnetic Sublattice in the Hybrid Perovskite (R)-/(S)-3-Fluoropyrrolidinium Copper(II) Chloride

Zheng Zhang, Mingyu Xu, Jose L. Gonzalez Jimenez, Stephen Zhang, Weiwei Xie, Xianghan Xu, Daniel B. Straus ยท 2026

Incorporating chiral organic cations into organic-inorganic hybrid materials has been shown to enable the inorganic sublattice to display chiroptical properties. We report a new two-dimensional magnetโ€ฆ

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Physics Preprint PDF DOI

Optical nonlinear anomalous Hall effect reveals the hidden spin order in antiferromagnets

A. Schmid, D. Siebenkotten, D. Dai, J. Godinho, T. Ostatnicky, N. Zou, Y. Zhang, J. Zelezny, Z. Soban, F. Krizek, V. Novak, S. Fairman, A. Hoehl, A. Hertwig, T. Janda, M. A. Huber, R. Huber, B. Kastner, J. Wunderlich ยท 2026

Reading antiferromagnetic order remains a central obstacle for antiferromagnetic memory and logic because zero net magnetisation precludes conventional magnetic readout. Domain imaging typically relieโ€ฆ

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Physics Preprint PDF DOI

Higher odd-order nonlinear Hall effect in magnetic topological insulator Mn(Bi1-xSbx)2Te4

Xiubing Li, Zheng Dai, Shuai Zhang, Heng Zhang, Congcong Li, Boyuan Wei, Fengyi Guo, Chunfeng Li, Fucong Fei, Minhao Zhang, Xuefeng Wang, Huaiqiang Wang, Fengqi Song ยท 2026

The nonlinear Hall effect is a new member of the Hall effect family, which attracts intense research interests, and it is closely related to the quantum geometry of quantum materials. The previous stuโ€ฆ

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Physics Preprint PDF DOI

Giant spontaneous Kerr effect reveals the defect origin of macroscopic time-reversal symmetry breaking in altermagnetic MnTe

Weitung Yang, Choongjae Won, Cory Cress, Marshall Zachary Franklin, Xiaochen Fang, Shelby Fields, Nicholas Combs, Shaofeng Han, Weihang Lu, Steven P. Bennett, Sang-Wook Cheong, Jing Xia ยท 2026

Altermagnetism, a recently identified third class of collinear magnetism with spin-split bands and vanishing net magnetization, has emerged in hexagonal \alphaMnTe{} and is regarded as a promising plaโ€ฆ

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Physics Preprint PDF DOI

Unconventional Quantum Criticality in Long-Range Spin-1 Chains: Insights from Entanglement Entropy and Bipartite Fluctuations

Justin Tim-Lok Chau, Jiarui Zhao, Nicolas Laflorencie, Zi Yang Meng ยท 2026

We study the ground-state phase diagram of a spin-1 Heisenberg chain with staggered long-range (LR) interactions decaying as $\propto r^{-\alpha}$ using a quantum Monte Carlo approach based on the splโ€ฆ

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Mathematics Preprint PDF DOI

Statistical Limit Theorems for Axiom A Diffeomorphisms: Exponential Mixing, Central Limit Theorem, and Large Deviations

Abdoulaye Thiam ยท 2026

We establish statistical limit theorems for equilibrium states of Axiom A diffeomorphisms, derived from the spectral gap of the Ruelle transfer operator established in Part I (Thiam2026a) and transferโ€ฆ

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Mathematics Preprint PDF DOI

An introduction to separated graphs and their type semigroups

Pere Ara ยท 2026

We introduce $C^*$-algebras associated with directed graphs, along with two generalizations of this concept, namely Exel-Pardo $C^*$-algebras associated with a self-similar action of a group on a direโ€ฆ

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Mathematics Preprint PDF DOI

On groupoids beyond partial actions, inner amenability, and models for Kirchberg algebras

Alcides Buss, Julian Kranz ยท 2026

We construct the first explicit examples of locally compact Hausdorff \'etale groupoids that are not inner amenable and that do not arise as transformation groupoids associated to partial actions of dโ€ฆ

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AI & Data Science Preprint PDF DOI

Unified Ultrasound Intelligence Toward an End-to-End Agentic System

Chen Ma, Yunshu Li, Junhu Fu, Shuyu Liang, Yuanyuan Wang, Yi Guo ยท 2026

Clinical ultrasound analysis demands models that generalize across heterogeneous organs, views, and devices, while supporting interpretable workflow-level analysis. Existing methods often rely on taskโ€ฆ

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Physics Preprint PDF DOI

Persistence of large and gate-tunable anisotropic magnetoresistance in an atomically thin antiferromagnet

Cheol-Yeon Cheon, Kenji Watanabe, Takashi Taniguchi, Alberto F. Morpurgo, Dmitry Lebedev ยท 2026

Anisotropic magnetoresistance (AMR) offers a robust electrical readout of antiferromagnetic (AFM) states, playing a central role in the rapidly advancing field of AFM spintronics. Despite its great veโ€ฆ

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Physics Preprint PDF DOI

Simulating altermagnets using mumax+

Lars Moreels, Nicolai Bechler, Bartel Van Waeyenberge, Jonathan Leliaert, Jan Masell ยท 2026

In this paper, we demonstrate how altermagnets can be simulated in the recently released micromagnetic simulation package mumax+. We have added a new magnet class for d-wave altermagnets and demonstraโ€ฆ

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Physics Preprint PDF DOI

Abrikosov vortices in altermagnetic superconductors

A. A. Mazanik, F. S. Bergeret ยท 2026

We study the penetration of an external magnetic field into a superconductor with collinear $d$-wave altermagnetic order. We demonstrate that instead of circular Abrikosov vortices, the magnetic fieldโ€ฆ

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Physics Preprint PDF DOI

Quantum to classical relaxation dynamics of the dissipative Rydberg gas

Viktoria Noel, Igor Lesanovsky ยท 2026

We investigate the relaxation dynamics of a Rydberg gas in regimes where coherent processes and dissipation compete. In the strongly dissipative limit, the dynamics is known to be governed by an effecโ€ฆ

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Physics Preprint PDF DOI

The effect of pressure in the crystal and magnetic structure of FeWO4

Oscar Fabelo, Javier Gonzalez-Platas, Stanislav Savvin, Pablo Botella, Daniel Errandonea ยท 2026

The temperature dependence of the structural and magnetic properties of wolframite-type FeWO4 were studied in situ by high pressure neutron diffraction. Neutron diffraction measurements were performedโ€ฆ

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Physics Preprint PDF DOI

Symmetry-guided and AI-accelerated design of intercalated transition metal dichalcogenides for antiferromagnetic spintronics

Yu Pang, Yue Gu, Runsheng Zhong, Liyang Zou, Xiaobin Chen, Xiaolong Zou, Wenhui Duan ยท 2026

The advancement of antiferromagnetic spintronics depends on quantum materials with target symmetry-dictated functionalities, however, their systematic discovery is hindered by the immense configuratioโ€ฆ

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Physics Preprint PDF DOI

Strain continuously rotates the N\'eel vector in altermagnetic MnTe

Alex Liebman-Pelaez, Jon Kruppe, Resham Babu Regmi, Nirmal J. Ghimire, Yue Sun, Igor I. Mazin, Hilary M. L. Noad, James Analytis, Veronika Sunko, Joseph Orenstein ยท 2026

Altermagnetism has recently emerged as a distinct class of collinear antiferromagnets that break time-reversal symmetry, exhibiting a host of novel properties. Applied strain has attracted particular โ€ฆ

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