19,653 papers

cond-mat.mtrl-sci2026

Direct observation of a spin-polarized surface Dirac gap in the antiferromagnetic topological insulator NdBi

Yuto Fukushima, Hiroyuki S. Suzuki, Masayuki Ochi +15

A gapped Dirac cone in antiferromagnetic topological insulators (AFM-TIs) is essential for realizing the quantized anomalous Hall effect, yet its intrinsic magnitude remains contro…

astro-ph.IM2026

The Pandora SmallSat: post-launch operations and mission update

Trevor O. Foote, Elisa V. Quintana, Jessie L. Dotson +41

The Pandora SmallSat is a NASA flight project designed to study the atmospheres of exoplanets. Transmission spectroscopy of transiting exoplanets provides our best opportunity to i…

astro-ph.IM2026

The Pandora SmallSat: Target Selection and Early Science

Emily A. Gilbert, Elisa V. Quintana, Jessie L. Dotson +41

The Pandora spacecraft is a smallsat selected in NASA's inaugural class of Pioneers missions. The aim of the Pandora mission is to disentangle stellar activity signals from exoplan…

cond-mat.mtrl-sci2026

Strain-Induced Interfacial Bond Evolution and Facet-dependent Strain Response of Electronic Properties in Oxidized Silicon Nanowires

Yasir Mahmood, Daniel Wines, Viviana Dovale-Farelo +2

Silicon nanowires (Si NWs) have emerged as promising candidates for next-generation nanoelectronic devices due to their tunable electronic properties, and compatibility with aggres…

astro-ph.IM2026

Nancy Grace Roman Space Telescope Wide Field Instrument: Grism Saturation Response to Bright Sources during Thermal-Vacuum Testing

Lipika Chatur, Dana R. Louie, Joshua E. Schlieder +3

The Nancy Grace Roman Space Telescope launched on August 30th, 2026 and is expected to begin its science mission in 2027. Although Roman's core science will focus primarily on fain…

cs.HC2026

Characterizing the Performance Gap in Human Activity Recognition for Older Adults

Hossein Khayami, Sungjin Hwang, Eshed Ohn-Bar +4

Human activity recognition (HAR) from wrist-worn accelerometers is increasingly used for health and behavioral tracking. Yet, most wearable HAR models are developed and evaluated o…

astro-ph.HE2026

What We Have Learned from NICER About Neutron Star Radii

M. C. Miller

The cores of neutron stars have a combination of density, temperature, and neutron-proton asymmetry that cannot be replicated in laboratories or understood using first-principles q…

cs.HC2026

ASAP: Visual Analytics for Identifying and Analyzing Image Patterns in AI-generated Images

Jinbin Huang, Yuki Ueno, Chen Chen +4

Generative image models can produce highly realistic images, raising concerns about potential misuse in creating deceptive content. Current deepfake approaches face several challen…

hep-th2026

The trans-Planckian problem and gravitational interactions

Ted Jacobson

The strong gravitational interaction of counter-propagating quantum field modes is of foundational importance to the trans-Planckian problem of black hole horizons. This article, i…

cs.LG2026

Efficient AI Model Deployment Using Quantization Analysis Tool

Dwith Chenna, Kanishka Macherla

As deep learning models are increasingly deployed on resource constrained devices, the demand for efficient model optimization techniques continues to grow. Effective deployment of…

astro-ph.EP2026

Potential survivable niches for microbial life on the lunar south pole

Prabal Saxena, Stefano Bertone, Heather V. Graham +6

Most lunar surface conditions are incredibly harsh for microbial survival. High ultraviolet radiation, temperatures, and energetic particle radiation limit survival over most unpro…

astro-ph.EP2026

An Evolving Cosmic Shoreline and Sandbar Bounding the Rocky Airless Valley

Barron K. Nguyen, Laura K. Schaefer, Xuan Ji +7

Recent JWST observations challenge the traditional 'cosmic shoreline' from both sides, revealing thick volatile atmospheres on the hottest close-in 'lava worlds,' where irradiation…

astro-ph.GA2026

Mid-Infrared Colors Vary with Galactic Environment: Contrasting Star-Forming Disks, Young Centers, and Quiescent Star-Formation Deserts

Debosmita Pathak, Karin M. Sandstrom, Adam K. Leroy +27

We present pc-resolution JWST/MIRI and NIRCam measurements of mid-infrared (mid-IR) color variations in the diffuse interstellar medium (ISM) of 71 nearby star-forming…

astro-ph.EP2026

MOA-2020-BLG-108Lb: A Giant Planet Beyond the Snow Line of a Low-Mass Lens Near the Lower Boundary of the Mass-Ratio Desert

Yuki K. Satoh, David P. Bennett, Takahiro Sumi +21

We present an analysis of the microlensing event MOA-2020-BLG-108, which was discovered in June 2020 by the MOA collaboration toward the Galactic bulge. The observed light curve sh…

cs.LG2026

Defending against Model Extraction for GNNs with Model Reprogramming

Yan Wen, Zhenyi Wang, Heng Huang

Graph Neural Networks (GNNs) serve as the backbone for high-stakes applications in Machine-Learning-as-a-Service (MLaaS). Still, their black-box deployment exposes them to Model Ex…

astro-ph.IM2026

Early Exploration of the Scientific Discovery Space for the Habitable Worlds Observatory

Courtney D. Dressing, Danica Adams, Evelyne Alecian +324

The Habitable Worlds Observatory (HWO) is a future NASA flagship mission concept identified by the Astro2020 Decadal Survey as the highest priority for large space missions. HWO sh…

cs.PL2026★ 1 cited

Let it Flow: A Formally Verified Compilation Framework for Asynchronous Dataflow

Zhengyao Lin, Yi Cai, Milijana Surbatovich

Dataflow architectures have gained renewed interest due to their balance between power efficiency and performance. In (spatial) dataflow architectures, a program is represented as…

astro-ph.EP2026

Size Constraints for the Pre-atmospheric Parent Bodies of Ordinary Chondrites

Juan A. Sanchez, David C. Cantillo, Adam Battle +7

The study of S-complex near-Earth objects (NEOs), the parent bodies of ordinary chondrites, has shown that they are dominated by asteroids with LL chondrite-like compositions. This…

astro-ph.GA2026

Implications of Broad [O III] 4364 and UV Line Emission in Two Little Red Dots at z ~ 7 - 8

Casey Papovich, Kaila Ronayne, Weida Hu +17

We present deep, NIRSpec G140M and G395M spectroscopy of Little Red Dots (LRDs) at z = 6.68 and z = 8.35. Both LRDs show broad Balmer and [O III] 4364 emission. The broad [O III…

physics.ao-ph2026★ 35 cited

Unexpected limitation of tropical cyclone genesis by subsurface tropical central-north Pacific during El Niño

Cong Gao, Lei Zhou, Chunzai Wang +2

The vast tropical Pacific is home to the majority of tropical cyclones (TCs) which threaten the rim countries every year. The TC genesis is nourished by warm sea surface temperatur…

stat.ME2026

Do I Even Need a Multilevel Model? Negligible Effect Significance Testing for Intraclass Correlation Coefficients

Dayeon Lee, Gregory R. Hancock

In applied research, the decision to utilize multilevel modeling (MLM) is commonly guided by comparing a point estimate of the unconditional intraclass correlation coefficient (ICC…

physics.ao-ph2026★ 12 cited

Crucial role of subsurface ocean variability in tropical cyclone genesis

Cong Gao, Lei Zhou, I. -I. Lin +4

The upper ocean provides thermal energy to tropical cyclones. However, the impacts of the subsurface ocean on tropical cyclogenesis have been largely overlooked. Here, we show that…

cs.CG2026

Differentiable Approximations for Distance Queries

Ahmed Abdelkader, David M. Mount

The widespread use of gradient-based optimization has motivated the adaptation of various classical algorithms into differentiable solvers compatible with learning pipelines. In th…

astro-ph.IM2026

The beamformed trigger of RNO-G: its design and in-field performance

G Collaboration, S. Agarwal, J. A. Aguilar +76

The Radio Neutrino Observatory in Greenland (RNO-G) is a neutrino detector under construction at Summit Station, with 8 out of a planned 35 stations currently deployed. We have des…