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Physics Preprint PDF DOI

Strict Hierarchy for Quantum Channel Certification to Unitary

Kean Chen, Qisheng Wang, Zhicheng Zhang · 2026

We consider the problem of quantum channel certification to unitary, where one is given access to an unknown $d$-dimensional channel $\mathcal{E}$, and wants to test whether $\mathcal{E}$ is equal to …

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Physics Preprint PDF DOI

HyGAL: Characterizing the Galactic ISM with observations of hydrides and other small molecules. III. The absorption lines of [O I], CH, and OH

W.-J. Kim, A. M. Jacob, D. A. Neufeld, P. Schilke, H. Wiesemeyer, M. Gerin, M. G. Wolfire, V. Ossenkopf-Okada, V. Valdivia, E. Falgarone, D. C. Lis, S. Bialy, M. R. Rugel, A. Sanchez-Monge, M. Busch, T. Moller, F. Wyrowski, D. Seifried, K. M. Menten, A. Saintonge · 2026

The HyGAL Stratospheric Observatory for Infrared Astronomy (SOFIA) legacy program aims at characterizing the interstellar medium in the Milky Way using hydrides, [C II], and [O I] absorption lines wit…

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Physics Preprint PDF DOI

The impact of hydrogen atom tunneling on aromatic chemistry in TMC-1

Reace H. J. Willis, Thomas H. Speak, Alex N. Byrne, Christopher N. Shingledecker, Ilsa R. Cooke · 2026

Hydrogen atom tunneling likely plays a substantial role in the gas-phase chemistry of astrochemical environments. To determine the potential effect that it has on the chemical modeling of aromatic mol…

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Computer Science Preprint PDF DOI

SAT + NAUTY: Orderly Generation of Small Kochen-Specker Sets Containing the Smallest State-independent Contextuality Set

Zhengyu Li, Curtis Bright, Stefan Trandafir, Adan Cabello, Vijay Ganesh · 2026

We present a search for small Kochen-Specker (KS) sets in dimension 3, specifically targeting extensions of the 13-ray Yu-Oh set, which has been proven to be the minimal witness to state-independent c…

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AI & Data Science Preprint PDF DOI

VCE: A zero-cost hallucination mitigation method of LVLMs via visual contrastive editing

Yanbin Huang, Yisen Li, Guiyao Tie, Xiaoye Qu, Pan Zhou, Hongfei Wang, Zhaofan Zou, Hao Sun, Xuelong Li · 2026

Large vision-language models (LVLMs) frequently suffer from Object Hallucination (OH), wherein they generate descriptions containing objects that are not actually present in the input image. This phen…

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Physics Preprint PDF DOI

Evidence for a bloated massive protostar in IRAS20126+4104

Riccardo Cesaroni · 2026

Variability is a well known phenomenon in low-mass young stellar objects, but in recent years the monitoring of methanol masers and infrared continuum emission has permitted the detection of both burs…

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Earth & Environmental Sciences Preprint PDF DOI

JWST/MIRI Hydrocarbon and Water Absorption in the Wind of a Young Disk: Signatures of Pebble Drift and Carbon Grain Sublimation

Maria Jose Colmenares, Edwin A. Bergin, Ke Zhang, Geoffrey A. Blake, Klaus M. Pontoppidan, Alexa R. Anderson, John Carr, Emma Dahl, Joan Najita, Jonathan P. Williams, Colette Salyk, Till Kaeufer, Mayank Narang, Ilaria Pascucci, Benoit Tabone, Lucas Cieza, Miguel Vioque, Adrien Houge, Sebastiaan Krijt, Aditya M. Arabhavi, Giovanni Rosotti, John Carpenter, Feng Long, Paola Pinilla, Jayatee Kanwar, Eshan Raul, Karina Mauco, James Miley, Abygail Waggoner, the JDISCS collaboration · 2026

We present JWST/MIRI-MRS observations of ISO-Oph 37, a highly inclined flat-spectrum ($\lesssim$1 Myr old) source, to investigate the chemical composition and dynamical origin of its inner-disk gas. T…

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Engineering Preprint PDF DOI

MVAdapt: Zero-Shot Multi-Vehicle Adaptation for End-to-End Autonomous Driving

Haesung Oh, Jaeheung Park · 2026

End-to-End (E2E) autonomous driving models are usually trained and evaluated with a fixed ego-vehicle, even though their driving policy is implicitly tied to vehicle dynamics. When such a model is dep…

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Physics Preprint PDF DOI

EPISODE IV: Ice Inventory in the Envelope of EC 53

Jaeyeong Kim, Jeong-Eun Lee, Chul-Hwan Kim, Seokho Lee, Giseon Baek, Seonjae Lee, Yao-Lun Yang, Yuri Aikawa, Gregory J. Herczeg, Doug Johnstone, Joel D. Green, Woong-Seob Jeong · 2026

We present the 1.6$-$28 $\mu$m spectra of the young protostar EC 53, obtained with JWST NIRSpec IFU and MIRI MRS during the quiescent and burst phases of its periodic brightness variations. To isolate…

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Physics Preprint PDF DOI

Spatiotemporally Resolved Multi-Scalar Measurements of Methane Tulip Flames in a Square Channel

Zeyu Yan, Shengkai Wang · 2026

Understanding the propagation dynamics of premixed flames in confined spaces is important for fire safety in gas pipelines and for optimizing modern internal combustion engines. In sufficiently long c…

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AI & Data Science Preprint PDF DOI

IatroBench: Pre-Registered Evidence of Iatrogenic Harm from AI Safety Measures

David Gringras · 2026

Ask a frontier model how to taper six milligrams of alprazolam (psychiatrist retired, ten days of pills left, abrupt cessation causes seizures) and it tells her to call the psychiatrist she just expla…

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Physics Preprint PDF DOI

Photo-Assisted Pd-Nb2O5/Carbon Nanocomposites for Enhanced Ethanol Electro-Oxidation Kinetics and CO Tolerance in Alkaline Media

Joao V. T. Neves, Stephanie S. Aristides-Barros, Aline B. Trench, Ivani M. Costa, Mauro C. Santos, Giancarlo R. Salazar-Banda, Katlin I. B. Eguiluz · 2026

Pd-based anodes for alcohol oxidation suffer from surface poisoning and sluggish kinetics. Here, we developed Pd-Nb2O5/C nanocomposites to improve ethanol electrooxidation kinetics and CO tolerance in…

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Physics Preprint PDF DOI

Accurate polarization calibration of FAST spectral data for measurements of Zeeman splittings of OH megamasers in IRAS 02524+2046

L. G. Hou, X. Y. Gao, Tao Hong, J. L. Han · 2026

An accurate polarization calibration is essential for a spectral data analysis and Zeeman splitting measurements. Two anomalies challenge our understanding of OH megamasers in IRAS 02524+2046: an unex…

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AI & Data Science Preprint PDF DOI

DISSECT: Diagnosing Where Vision Ends and Language Priors Begin in Scientific VLMs

Dikshant Kukreja, Kshitij Sah, Karan Goyal, Mukesh Mohania, Vikram Goyal · 2026

When asked to describe a molecular diagram, a Vision-Language Model correctly identifies ``a benzene ring with an -OH group.'' When asked to reason about the same image, it answers incorrectly. The mo…

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Earth & Environmental Sciences Preprint PDF DOI

Monitoring Volatile Evolution in Disrupting Comet D/2021 A1 (Leonard) with NOEMA and APEX

Timothy N. Proudkii, Nathan X. Roth, Jeremie Boissier, Dominique Bockelee-Morvan, Nicolas Biver, Steven B. Charnley, Stefanie N. Milam, Martin A. Cordiner, Michael A. DiSanti, Boncho P. Bonev, Neil Dello Russo · 2026

We report a pre-perihelion survey of volatile emissions from comet D/2021 A1 (Leonard) with the Northern Extended Millimeter Array (NOEMA; UT 2021 Nov. 5, 21, and Dec. 1) and the Atacama Pathfinder Ex…

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Chemistry Preprint PDF DOI

Microscopic Structure and Dynamics of Interfacial Water at Fluorinated vs Nonfluorinated Surfaces -- Insights from Ab-Initio Simulations and IR Spectroscopy

Maximilian R. Becker, Ruben Cruz, Kenichi Ataka, Joachim Heberle, Roland R. Netz · 2026

Per- and polyfluoroalkyl substances are a class of synthetic chemical compounds widely used as coatings to lower surface energies. Yet the microscopic mechanisms of their weak interaction with water a…

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Physics Preprint PDF DOI

Compositional Complexity-Induced Ultralow Friction in Medium-Entropy MXenes

Jiaoli Li, Yuwei Zhang, Congjie Wei, Yanxiao Li, Shuo He, Risheng Wang, Brian Wyatt, Reza Namakian, Babak Anasori, Kelvin Xie, Tobin Filleter, Ali Erdemir, Wei Gao, Chenglin Wu · 2026

Two-dimensional MXenes are promising solid lubricants, but the roles of compositional complexity and surface chemistry in governing interfacial friction remain unclear. Here, we systematically investi…

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Physics Preprint PDF DOI

Concerted Electron-Ion Transport by Polyacrylonitrile Elucidated with Reactive Deep Learning Potentials

Rajni Chahal-Crockett, Michael D. Toomey, Logan T. Kearney, Yawei Gao, Joshua T. Damron, Amit K. Naskar, Santanu Roy · 2026

Charge transport in polymers, such as polyacrylonitrile (PAN), is crucial for electronics and energy storage. For instance, PAN can transport cations e.g., Li+, by facilitating dynamic cation-nitrile …

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Chemistry Preprint PDF DOI

Two-dimensional IR-Raman spectroscopy of vibrational polaritons: Role of dipole surfaces

Xinwei Ji, Tomislav Begusic, Tao E. Li · 2026

Nonlinear spectroscopy provides a unique perspective to understand time-resolved molecular dynamics under vibrational strong coupling (VSC). Herein, equilibrium-nonequilibrium cavity molecular dynamic…

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Earth & Environmental Sciences Preprint PDF DOI

Perihelion observations of interstellar comet 3I/ATLAS with the IRAM 30-m telescope

N. Biver, D. Bockelee-Morvan, R. Moreno, J. Crovisier, G. Paubert, V. Zakharov, J. Boissier, M. A. Cordiner, N. X. Roth · 2026

3I/ATLAS is the third interstellar comet identified as passing through the Solar System. Its high outgassing activity and favourable perihelion passage on October 29, 2025 UT provided an excellent opp…

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