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Physics Preprint PDF DOI

Fragment-Constrained Charge Equilibration for Charge-Aware Machine Learning Potentials at Electrochemical Interfaces

Akhil Reddy Peeketi, Blas P Uberuaga, Travis E Jones · 2026

Predictive simulation of electrochemical interfaces requires atomistic models that capture reactive bond rearrangements, long-range electrostatics, and charge distributions reflecting the electronic d…

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AI & Data Science Preprint PDF DOI

Generalizing the Geometry of Model Merging Through Frechet Averages

Marvin F. da Silva, Mohammed Adnan, Felix Dangel, Sageev Oore · 2026

Model merging aims to combine multiple models into one without additional training. Na\"ive parameter-space averaging can be fragile under architectural symmetries, as their geometry does not take the…

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Earth & Environmental Sciences Preprint PDF DOI

The tale of the 3 planets: 3D cloud feedback enhances the spectral diversity of warm Jupiters

Nishil Mehta, Vivien Parmentier, Xianyu Tan, Elspeth K. H. Lee, Tristan Guillot, Matthew M. Murphy, Thomas P. Greene, Thomas G. Beatty, Taylor J. Bell, Jonathan J. Fortney, Michael R. Line, Sagnick Mukherjee, Kazumasa Ohno, Everett Schlawin, Anastasia Triantafillides, Luis Welbanks, Lindsey S. Wiser · 2026

JWST has shown a large diversity in warm Jupiter spectra, despite only small variations in the planetary parameters. However, the main driver of this diversity remains unclear. We aim to identify the …

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Physics Preprint PDF DOI

Resolved Maps of Gas and Dust in a Massive Quiescent Galaxy at z=2 from INQUEST-JWST: Evidence of Accretion and Rejuvenation

Sai Gangula, Andrew B. Newman, Meng Gu, Sirio Belli, Katherine E. Whitaker, Tania M. Barone, Aliza Beverage, Andrea Bolamperti, Letizia Bugiani, Richard S. Ellis, Mariska Kriek, Allison Matthews, Themiya Nanayakkara · 2026

Quiescent galaxies in the distant universe exhibit a range of gas content that may indicate a variety of quenching processes are at play. Mapping the distribution and kinematics of the gas can illumin…

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Computer Science Preprint PDF DOI

On the Role of Time Series Clustering in Traffic Matrix Prediction

Martha Cash, Charlotte Fowler, Alexander M. Wyglinski · 2026

This paper analyzes the role of time-series clustering in traffic matrix (TM) prediction. Traffic flows within a TM often exhibit heterogeneous behavior, which can reduce the effectiveness of global f…

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Physics Preprint PDF DOI

Revisiting Turner Window Axions: The Untapped Potential of NaI Dark Matter Detectors

W. C. Haxton, Xing Liu, Anupam Ray, Evan Rule · 2026

The "Turner window" corresponds to axions with masses $\gtrsim$ 1 eV that have sufficiently strong couplings to matter to evade limits from the cooling of SN1987A. This window, through which the traje…

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Earth & Environmental Sciences Preprint PDF DOI

Correlation Between Lunar Surface and Exospheric Sodium: Effects of Albedo-Driven Temperature on Multilayer Sodium Reservoirs Rather Than Surface Abundance Variations

A. Devaraj, S. Narendranath, Sreeja. S. Kartha, Netra S. Pillai · 2026

Sodium (Na) is a moderately volatile element in the lunar exosphere, released from the surface through thermal and non-thermal processes. We present a combined analysis of Chandrayaan-2 CLASS surface …

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Physics Preprint PDF DOI

Kohn-Sham Hamiltonian from Effective Field Theory: Quasiparticle Band Narrowing from Frozen Core Dynamics

Xiansheng Cai, Han Wang, Kun Chen · 2026

Kohn-Sham (KS) eigenvalues are routinely compared with angle-resolved photoemission (ARPES) and used as input for many-body methods, yet density functional theory (DFT) assigns them no physical meanin…

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Physics Preprint PDF DOI

The Bulge Cluster Origin (BulCO) survey with CRIRES at the ESO-VLT: a chemical screening of the Globular Cluster NGC 6553

A. Bartolomei, L. Origlia, C. Fanelli, L. Chiappino, F. R. Ferraro, B. Lanzoni, C. Pallanca, M. Loriga, M. Cadelano, D. Romano, E. Dalessandro, D. Massari, E. Valenti · 2026

In this paper we present the chemical screening of the stellar population belonging to the globular cluster NGC 6553 in the Galactic bulge. This study has been conducted in the contest of the Bulge Cl…

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Physics Preprint PDF DOI

Improved Electrochemical Performance and Diffusion kinetics by Boron-doping in Na$_{0.66}$Mn$_{0.8}$Fe$_{0.2}$O$_{2}$ Layered Cathodes for Sodium-Ion Batteries

Jayashree Pati, P. Senthilkumar, Deepak Seth, Riya Gulati, Manish Kr. Singh, Madhav Sharma, Anita Dhaka, M. Ali Haider, Rajendra S. Dhaka · 2026

We report the electrochemical investigation and study the diffusion kinetics of boron doped Na$_{0.66}$Mn$_{0.8}$Fe$_{0.2}$O$_{2}$ (B-NMFO) cathode materials for sodium-ion batteries. Notably, the B-N…

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Physics Preprint PDF DOI

Development and Performance Study of Vertical GaN $\alpha$-Particle Detector with High Energy Resolution

Minjie Ye, Yuzi Yang, Jiangtao Wei, Weilong Qin, Hao Hong, Dong Han, Jianping Ni, Zhiyi Liu, Po-Chung Huang, Cheng-Chang Yu, Chao-Yi Fang, Entsai Lin, Zewen Liu, Shaomin Chen · 2026

High-energy-resolution GaN $\alpha$-particle detectors have significant potential for space radiation, nuclear instrumentation, and harsh-environment applications. However, existing GaN $\alpha$-parti…

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AI & Data Science Preprint PDF DOI

Using Importance Sampling to Estimate $p$-values in All-Subset Meta-Analysis, with Applications to Single-Cell eQTL Mapping

Samuel Anyaso-Samuel, Thong Luong, Fei Qin, Jiyeon Choi, Kai Yu, Paul S. Albert, Jianxin Shi · 2026

Pooling genome-wide association studies of multiple related traits can substantially increase power for detecting genetic variants with pleiotropic effects. ASSET, which exhaustively searches all subs…

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Physics Preprint PDF DOI

Theoretical prediction of strong-coupling superconductivity in a hypothetical NaAlH3 phase at ambient pressure

Izabela A. Wrona, Yinwei Li, Radoslaw Szczesniak, Artur P. Durajski · 2026

We present a comprehensive first-principles investigation of a hypothetical cubic Pm-3m phase of the ternary hydride NaAlH3, focusing on its lattice dynamics, electronic structure, and electron-phonon…

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AI & Data Science Preprint PDF DOI

SemEval-2026 Task 4: Narrative Story Similarity and Narrative Representation Learning

Hans Ole Hatzel, Ekaterina Artemova, Haimo Paul Stiemer, Evelyn Gius, Chris Biemann · 2026

We present the shared task on narrative similarity and narrative representation learning - NSNRL (pronounced "nass-na-rel"). The task operationalizes narrative similarity as a binary classification pr…

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Physics Preprint PDF DOI

Two-gap to Single-gap Transition and Two-dome-like Superconductivity in Alkali-Metal Intercalated Bilayer PdTe2

Yu-Lin Han, Shu-Xiang Qiao, Kai-Yue Jiang, Jie Zhang, Bao-Tian Wang, Ping Zhang, C. S. Ting, Hong-Yan Lu · 2026

PdTe2 has been synthesized with controllable thickness down to the monolayer limit. Based on first-principles calculations within the fully anisotropic Migdal-Eliashberg framework, this work reveals t…

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Computer Science Preprint PDF DOI

A-THENA: Early Intrusion Detection for IoT with Time-Aware Hybrid Encoding and Network-Specific Augmentation

Ioannis Panopoulos, Maria Lamprini A. Bartsioka, Sokratis Nikolaidis, Stylianos I. Venieris, Dimitra I. Kaklamani, Iakovos S. Venieris · 2026

The proliferation of Internet of Things (IoT) devices has significantly expanded attack surfaces, making IoT ecosystems particularly susceptible to sophisticated cyber threats. To address this challen…

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Physics Preprint PDF DOI

Multilayer Laue Lenses for Enhanced Spatial Resolution in Dark-Field X-ray Microscopy

Steffen Staeck, Can Yildirim, Raquel Rodriguez-Lamas, Thomas Dufrane, Carsten Detlefs, Nis Gellert, Antonella Gayoso Padula, Henning Friis Poulsen · 2026

We introduce the use of a crossed pair of Multilayer Laue Lenses (MLLs) as an objective in Dark-Field X-ray Microscopy (DFXM). In a demonstration experiment at the ID03 beamline at ESRF, two flat Mo-S…

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Physics Preprint PDF DOI

QCD-factorization amplitudes from flavour symmetries: beyond the $SU(3)$ symmetric case

Wen-Sheng Fang, Tobias Huber, Xin-Qiang Li, Eleftheria Malami, Gilberto Tetlalmatzi-Xolocotzi · 2026

Using experimental information on branching ratios as well as direct and mixing-induced CP asymmetries, we perform a data-driven analysis of charmless non-leptonic $B \to PP$ decays, where $P$ is any …

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Physics Preprint PDF DOI

Characterizing and spectrally modeling embedded FUor eruptions in the near-infrared

Jiaxun Li, Tinggui Wang, Zheyu Lin · 2026

Context. Episodic accretion in young stellar objects (YSOs) is thought to play a critical role in addressing the "luminosity problem" associated with star formation. However, optical surveys tend to b…

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Biology & Life Sciences Preprint PDF DOI

Meeting times on graphs in near-cubic time

Alex McAvoy · 2026

The expected meeting time of two random walkers on an undirected graph of size $N$, where at each time step one walker moves and the process stops when they collide, satisfies a system of $\binom{N}{2…

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