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Physics Preprint PDF DOI

High-field magneto-optical imaging of superconducting critical states beyond 10 T using a paramagnetic garnet sensor

Yuto Kinoshita, Masayuki Toyoda, Yoshiaki Kobayashi, Masayuki Itoh, Masashi Tokunaga · 2026

Spatially resolved characterization of the critical current density Jc in superconductors under high magnetic fields is crucial for both fundamental understanding and practical applications. However, …

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Computer Science Preprint PDF DOI

The Blahut--Arimoto Algorithm as a Dynamical System with Exact $\chi^2$ Dissipation

Qiao Wang · 2026

This paper uncovers an exact $\chi^2$ dissipation identity for the Blahut--Arimoto (BA) flow and establishes its fundamental information-geometric structure. While prior works have analyzed BA converg…

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Physics Preprint PDF DOI

SVOM Science User Support Services at Chinese Science Center

Xu-hui Han, Li-ping Xin, Jing Wang, Yu-jie Xiao, Pin-pin Zhang, Ruo-song Zhang, Hong-bo Cai, Hui-jun Chen, Jin-song Deng, Wen-long Dong, Lei Huang, Lin Lan, Hua-li Li, Guang-wei Li, Xiao-meng Lu, Yu-lei Qiu, Chao Wu, Wen-jin Xie, Da-wei Xu, Jing-ran Xu, Yang Xu, Zhu-heng Yao, Mo Zhang, Xue-ying Zhao, Wei-kang Zheng, Ya-tong Zheng, Xiao-xiao Zhou, Jian-yan Wei · 2026

The Chinese-French SVOM (Space-based Multi-band Astronomical Variable Objects Monitor) mission is dedicated to the study of gamma-ray bursts (GRBs) from the distant universe. A key component of the SV…

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Mathematics Preprint PDF DOI

Mesh-Intrinsic GFEM: High-Order Smoothness on $C^0$ Unstructured Meshes

Rong Tian · 2026

High-order partial differential equations (PDEs) require derivative regularity that standard $C^0$ finite element infrastructures do not directly provide on unstructured meshes. We propose a mesh-intr…

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Physics Preprint PDF DOI

Dynamical magnetism in the disordered cubic lattice material $\gamma$-${\rm Ba}_{3}{\rm CoNb}_{2}{\rm O}_{9}$

Fanjun Xu, Ralf Feyerherm, Cecilie Glittum, Thomas J. Hicken, Hubertus Luetkens, Jonas A. Krieger, Cintli Aguilar-Maldonado, Sven Luther, Lucy K. Saunders, Clemens Ritter, Peter Fouquet, Margarita Russina, Karel Prokes, A.T.M. Nazmul Islam, Bella Lake · 2026

$\gamma$-${\rm Ba}_{3}{\rm CoNb}_{2}{\rm O}_{9}$ realizes a disordered simple-cubic spin-$1/2$ lattice in which Co$^{2+}$ ions randomly occupy one third of the sites, placing the system close to the s…

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Mathematics Preprint PDF DOI

The Jordan multiplication semigroup of matrix algebras is the full endomorphism semigroup

Ilja Gogic, Matija Kazalicki, Mateo Tomasevic · 2026

Let $\mathbb{K}$ be a field of characteristic different from $2$, and let $M_n(\mathbb{K})$ be the algebra of all $n\times n$ matrices over $\mathbb{K}$. We consider the corresponding special Jordan a…

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Physics Preprint PDF DOI

Orbital glass conceals missing magnetic entropy in a relativistic Mott insulator

Ilija K. Nikolov, Rong Cong, Adrien Rosuel, Stephen Carr, Ian R. Fisher, Dmitri E. Feldman, Adrian Del Maestro, Chandrasekhar Ramanathan, Vesna F. Mitrovic · 2026

Coupling between different degrees of freedom (DOF) in an electronic material leads to exotic phases of matter characterized by complex and competing order parameters as well as emergent excitations. …

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AI & Data Science Preprint PDF DOI

Crowded in B-Space: Calibrating Shared Directions for LoRA Merging

Yixuan Tang, Yi Yang · 2026

Merging separately trained LoRA adapters is a practical alternative to joint multi-task training, but it often hurts performance. Existing methods usually treat the LoRA update $\Delta W = BA$ as a si…

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Physics Preprint PDF DOI

Stellar nucleosynthesis in the era of large surveys: s-process polluted binaries in GALAH DR4

A. Escorza, S. Vitali, D. Godoy-Rivera, S. Shetye, H. Van Winckel, G. Bustos, S. Goriely, L. Siess, M. Abdul-Masih, T. Masseron, D. A. Garcia-Hernandez, A. Ardern-Arentsen, P. Jofre, S. Van Eck · 2026

Binary interactions during the AGB phase can lead to the formation of chemically peculiar stars with overabundances of s-process elements. Only a few hundreds of these stars have been subject to detai…

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Engineering Preprint PDF DOI

RadarSplat-RIO: Indoor Radar-Inertial Odometry with Gaussian Splatting-Based Radar Bundle Adjustment

Pou-Chun Kung, Yuan Tian, Zhengqin Li, Yue Liu, Eric Whitmire, Wolf Kienzle, Hrvoje Benko · 2026

Radar is more resilient to adverse weather and lighting conditions than visual and Lidar simultaneous localization and mapping (SLAM). However, most radar SLAM pipelines still rely heavily on frame-to…

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Physics Preprint PDF DOI

No country for old stars -Spectroscopic confirmation of the first intermediate-age RR Lyrae in the open cluster Trumpler 5

Valentina D'Orazi, Cecilia Mateu, Giuliano Iorio, Alexey Bobrick, Zdenek Prudil, Ricardo Salinas, Angela Bragaglia, Lyudmila Mashonkina, Raffaele Gratton, Ilya Ilyn, Natalia Alvarez Baena, Vittorio F. Braga, Antonino Nunnari, Venu Kalari, Felice Cusano, Silvia Tosi · 2026

RR Lyrae stars are widely considered tracers of ancient (greater than 10 Gyr), metal-poor stellar populations. However, recent kinematic and photometric studies suggest the existence of a metal-rich R…

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Physics Preprint PDF DOI

The high-altitude, inner-disc, and chemically peculiar open cluster UBC 1052

Judit Donada, Laia Casamiquela, Friedrich Anders, Lola Balaguer-Nunez, Sergi Blanco-Cuaresma, Xavier Luri, Ditte Slumstrup, Carme Jordi, Alfred Castro-Ginard, Ricardo Carrera, Josep Manel Carrasco · 2026

Out of all the discovered open clusters (OCs) that are located in the inner part of the Galaxy, only a small fraction has been observed with high-resolution spectroscopy. An intriguing population of i…

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Physics Preprint PDF DOI

Inclusive breakup reactions with non-spectator fragments: Generalization of the IAV sum rules

Jin Lei · 2026

The Ichimura-Austern-Vincent (IAV) sum rule formalism for inclusive breakup reactions $a + A \to b + \mathrm{anything}$ treats the detected fragment $b$ as a spectator by replacing its interaction wit…

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Physics Preprint PDF DOI

Spectroscopic Survey of Faint Planetary-Nebula Nuclei. VIII. The Dwarf Barium Central Star of Kohoutek 1-9

Howard E. Bond, Peter Goodhew, Daniel Stern, Jonathan Talbot, Gregory R. Zeimann · 2026

In the course of our ongoing survey of faint planetary-nebula nuclei (PNNi), we obtained optical spectroscopy of the central star of the little-studied PN Kohoutek~1-9 (K 1-9). Its spectrum is found t…

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Physics Preprint PDF DOI

Activation of Inner-Shell 4p-Orbital Electrons of Rubidium Driven by Asymmetric Coordination at High Pressure

Shuran Ma, Xue Cong, Yanchang Wang, Yuanzheng Chen, Zhen Liu · 2026

While the high oxidation states in heavy alkali fluorides (Cs, Ba, Ra) have been attributed to a pressure-driven upshift of energy level of inner p states, this route is largely ineffective for Rb bec…

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AI & Data Science Preprint PDF DOI

Cross-Lingual Attention Distillation with Personality-Informed Generative Augmentation for Multilingual Personality Recognition

Jing Jie Tan, Ban-Hoe Kwan, Danny Wee-Kiat Ng, Yan-Chai Hum, Noriyuki Kawarazaki, Kosuke Takano · 2026

While significant work has been done on personality recognition, the lack of multilingual datasets remains an unresolved challenge. To address this, we propose ADAM (Cross-Lingual (A)ttention (D)istil…

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Mathematics Preprint PDF DOI

Chirality of torus-covering $T^2$-links of degree three

Hohto Bekki, Teruhisa Kadokami, Inasa Nakamura · 2026

A torus-covering $T^2$-link of degree $n$ is a surface-link consisting of tori, in the form of an unbranched covering of degree $n$ over the standard torus. We focus on a torus-covering $T^2$-link of …

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Engineering Preprint PDF DOI

Channel Estimation and LDPC Decoding for Bursty Phase Noise

Han Cui, Frank R. Kschischang, Magnus Karlsson, Erik Agrell · 2026

Time-varying distortions in communication systems can significantly degrade the performance of soft-decision forward error correction. This paper presents a burst-aware (BA) low-density parity-check (…

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Physics Preprint PDF DOI

Between Mott and cluster Mott: spin-orbit entangled dimer singlets in Ba$_3$CeRu$_2$O$_9$

L. Patzold, A. Sandberg, H. Schilling, H. Gretarsson, E. Bergamasco, M. Magnaterra, P. Becker, P. H. M. van Loosdrecht, J. van den Brink, M. Hermanns, M. Gruninger · 2026

The hexagonal 4d ruthenates Ba3MRu2O9 host structural dimers and exhibit a delicate balance of competing interactions. Hund's coupling, trigonal crystal-field splitting, and hopping for $a_{1g}$ and $…

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AI & Data Science Preprint PDF DOI

Dealing with positivity violations in mediation analysis via weighted controlled effects, with application to assessing immune correlates of protection in antigen-experienced participants

Qijia He, Bo Zhang · 2026

Causal mediation analysis has become an important and increasingly used framework for evaluating candidate immune response biomarkers in vaccine research. A controlled effects approach has been propos…

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