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Physics Preprint PDF DOI

Intrinsic anomalous thermal hall effect as a signature of quantum metric in d-wave altermagnets

Rishi G. Gopalakrishnan, Srimayi Korrapati, Sumanta Tewari · 2026

We investigate the intrinsic anomalous thermal Hall effect in d-wave altermagnets, where a transverse heat current is generated by a longitudinal temperature gradient in the absence of a magnetic fiel…

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Physics Preprint PDF DOI

Observation of the Magnus Nonlinear Hall effect from Chiral Weyl Monopoles

Heda Zhang, Nikolai Peshcherenko, Ning Mao, Nianlong Zou, Jiaqiang Yan, Claudia Felser, Yang Zhang · 2026

The nonlinear Hall effect (NLHE) connects crystalline symmetry to quantum geometry, offering a probe of band topology beyond linear transport. While most studies have focused on the Berry curvature di…

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Physics Preprint PDF DOI

Wavelet-based multiresolution analysis of quantum fractals in confined dynamics

David Navia, Angel S. Sanz · 2026

Fractal structures naturally emerge in quantum systems whose initial states exhibit spatial discontinuities, a phenomenon first identified by Berry in the paradigmatic case of a particle confined in a…

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Physics Preprint PDF DOI

Curvature-induced nonlinear anomalous Hall effect in thin magnetic shells

Maria Teresa Mercaldo, Mario Cuoco, Carmine Ortix · 2026

Optoelectronic and nonlinear transport experiments probe the quantum geometric tensor of Bloch states, whose real and imaginary components -- the quantum metric and the Berry curvature -- are typicall…

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AI & Data Science Preprint PDF DOI

Measurement Risk in Supervised Financial NLP: Rubric and Metric Sensitivity on JF-ICR

Sidi Chang, Peiying Zhu, Yuxiao Chen, Rongdong Chai · 2026

As LLMs become credible readers of earnings calls, investor-relations Q\&A, guidance, and disclosure language, supervised financial NLP benchmarks increasingly function as decision evidence for model …

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Physics Preprint PDF DOI

Topological phase transitions in twisted bilayer graphene/hBN from interlayer coupling and substrate potentials

Huiwen Wang, Wei Jiang · 2026

Twisted bilayer graphene aligned with hexagonal boron nitride (TBG/hBN) hosts rich topological and correlated quantum phases, such as (fractional) Chern insulators, whose character is dictated by the …

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Physics Preprint PDF DOI

Electrically Tunable Terahertz Chirality from Quantum Geometry

Sobhan Subhra Mishra, Thomas CaiWei Tan, Faxian Xiu, Ranjan Singh · 2026

Quantum geometry encoded in the momentum space structure of electronic wavefunctions, governs charge dynamics through Berry curvature, enabling unconventional transport and optical responses. In topol…

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Physics Preprint PDF DOI

Metalization of topological insulators

Xian-Peng Zhang, Yan-Qing Feng, Ji-Feng Shao, Haiwen Liu, Yugui Yao · 2026

In modern condensed matter theory, phases of electronic matter--such as metals and insulators-are fundamentally distinguished by the presence or absence of charge-carrying quasiparticles or excitation…

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Physics Preprint PDF DOI

Third-order intrinsic anomalous Hall effect as a transport fingerprint of altermagnets

Longjun Xiang, Hao Jin, Jian Wang · 2026

The intrinsic anomalous Hall effect (IAHE) provides a powerful transport fingerprint of quantum magnets, with its linear and second-order responses distinguishing ferromagnets and $\mathcal{P}\mathcal…

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Physics Preprint PDF DOI

Linking extended vector wave fields with momentum space topology

A. Neuhaus, P. Gessler, P. Dreher, D. Janoschka, A. Rodl, M. Manten, Th. Bauer, M. Azhar, B. Frank, T. J. Davis, H. Giessen, K. Everschor-Sitte, F. Meyer zu Heringdorf · 2026

Topology describes properties of physical systems that remain constant under continuous deformations. For infinite vector waves, global topological invariants in position space are typically associate…

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Physics Preprint PDF DOI

Geometric-Phase (Pancharatnam-Berry) Correction for Time-Bin Photonic Qudits: A Calibration and Feed-Forward Algorithm

Ryan Rae-Cheng Wee, Josef Bruzzese · 2026

We develop a geometric-phase framework for time-bin photonic qudits and propose a practical calibration and feed-forward algorithm for separating and compensating geometric (Pancharatnam-Berry), dynam…

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Physics Preprint PDF DOI

Influence of strain on the anomalous Hall and Nernst effects in Fe thin films

Ao Nakagawa, Ryo Toyama, Keisuke Masuda, Weinan Zhou, Hirofumi Suto, Kodchakorn Simalaotao, Yoshio Miura, Yuya Sakuraba, Tetsunori Koda · 2026

The anomalous Hall effect (AHE) and anomalous Nernst effect (ANE) are the transverse transport phenomena in magnetic materials, which reflect the Berry curvature arising from the electronic structure …

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Physics Preprint PDF DOI

The Schrodinger Equation as a Gauge Theory

Dmitry S. Ageev, Vladimir A. Bykov · 2026

In this paper, we reformulate the Schrodinger equation in gauge-theoretic terms. Starting from the Madelung representation, we rewrite the conserved probability-current using gauge fields, namely a on…

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Physics Preprint PDF DOI

The odd-parity ALM induced reconstruction of the Chern-insulating phase in Haldane-Hubbard model

Minghuan Zeng, Zheng Qin, Ling Qin, Shiping Feng, Lin Wu, Dong-Hui Xu, Rui Wang · 2026

Odd-parity altermagnetism(ALM) extends compensated collinear magnetism beyond the even-parity spin splitting of conventional altermagnets, but its role in correlated topological phases remains largely…

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Mathematics Preprint PDF DOI

A colimit decomposition for the loop homology of polyhedral products

Lewis Stanton, Fedor Vylegzhanin · 2026

We show that the loop homology algebras of polyhedral products of the form $(\underline{X},\underline{*})^{\mathcal{K}}$ can be written as a colimit over the flagification of $\mathcal{K}$, and obtain…

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AI & Data Science Preprint PDF DOI

Frontier Coding Agents Can Now Implement an AlphaZero Self-Play Machine Learning Pipeline For Connect Four That Performs Comparably to an External Solver

Joshua Sherwood, Ben Aybar, Benjamin Kaplan · 2026

Forecasting when AI systems will become capable of meaningfully accelerating AI research is a central challenge for AI safety. Existing benchmarks measure broad capability growth, but may not provide …

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Physics Preprint PDF DOI

Dispersion of Anyon Bloch Bands

Kishore Iyer, Andreas Feuerpfeil, Valentin Crepel, Nicolas Regnault, Christophe Mora · 2026

Fractional Chern insulators (FCIs) are zero magnetic field analogs of fractional quantum Hall states. While the electrons forming an FCI are not subject to an external magnetic field, their anyonic ex…

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Mathematics Preprint PDF DOI

Sharp pathwise nonuniqueness for additive SDEs

Elias Hess-Childs, Keefer Rowan · 2026

We construct a family of velocity fields demonstrating the sharpness of the classical Zvonkin--Veretennikov--Davie strong well-posedness by noise regime. We consider stochastic differential equations …

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Physics Preprint PDF DOI

Chaos of Berry curvature for BPS microstates

Yiming Chen, Sean Colin-Ellerin, Ohad Mamroud, Kyriakos Papadodimas · 2026

We expect black hole microstates to differ in their chaotic properties from states associated with other geometries. For supersymmetric black holes, ordinary level statistics cannot diagnose this dist…

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Medicine & Health Preprint PDF DOI

Benchmarking Open-Source FDK Against Commercial and Iterative Reconstruction Methods for Preclinical Micro-CBCT

Falk L Wiegmann, Nancy L Ford · 2026

Preclinical micro-CT reconstruction involves large projection sizes and volumes that make iterative methods costly - 5x to 50x slower than analytic alternatives on modern GPUs. Whether this cost is ju…

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