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Physics Preprint PDF DOI

Analysis of Electromagnetic Scattering from Semiconductor Nanostructures by Solving Coupled Volume Integral and Two-fluid Hydrodynamic Equations

Doolos Aibek Uulu, Meruyert Khamitova, Rui Chen, Liang Chen, Ping Li, Hakan Bagci · 2026

Semiconductor-based plasmonic nanostructures support localized surface plasmon modes in the infrared region. Unlike metallic nanostructures, they support both free electrons and holes, requiring a two…

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Computer Science Preprint PDF DOI

IntentVLM: Open-Vocabulary Intention Recognition through Forward-Inverse Modeling with Video-Language Models

Hamed Rahimi, Clemence Grislain, Adrien Jacquet Cretides, Olivier Sigaud, Mohamed Chetouani · 2026

Improving the effectiveness of human-robot interaction requires social robots to accurately infer human goals through robust intention understanding. This challenge is particularly critical in multimo…

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Physics Preprint PDF DOI

Accurate and Efficient Interatomic Potentials for Dislocations in InP

Thomas Rocke, Thomas Hudson, Richard Beanland, James Kermode · 2026

We present Atomic Cluster Expansion (ACE) and MACE models trained on a new dataset of Density Functional Theory (DFT) calculations, constructed for the task of studying the mobility of dislocations in…

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Physics Preprint PDF DOI

Hole concentrations in doped gray {\alpha}-Sn on InSb and CdTe measured with infrared ellipsometry

Jaden R. Love, Carlos A. Armenta, Atlantis K. Moses, Haley B. Woolf, Jan Hrabovsky, Stefan Zollner, Aaron N. Engel, Christopher J. Palmstr{o}m · 2026

Gray tin ({\alpha}-Sn) layers with 30 nm thickness were grown on InSb (001) substrates using molecular beam epitaxy. The surface preparation of the substrates was adjusted to achieve either n-type or …

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Physics Preprint PDF DOI

Toroidal Plasmonic Nanodimers for Enhanced Near-Infrared Emission in Heterostructured InP Quantum Dots

Arda Gulucu, Emre Ozan Polat · 2026

Near-infrared (NIR) emitters operating in the 650-900 nm range are highly attractive for imaging and sensing in turbid media; however, cadmium-free InP-based quantum dots (QDs) often suffer from limit…

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Physics Preprint PDF DOI

Position-Dependent Calibration and Frequency Stability in On-Axis Optical Transduction of Vertical InP Nanowire Resonators

Robert G. West, Kostas Kanellopulos, Lukas Hrachowina, Magnus Borgstrom, Silvan Schmid · 2026

We present a quantitative framework for on-axis optical transduction of vertical InP nanowire resonators, correlating laser position to signal amplitude, calibration, and frequency stability. Photothe…

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AI & Data Science Preprint PDF DOI

Every Picture Tells a Dangerous Story: Memory-Augmented Multi-Agent Jailbreak Attacks on VLMs

Jianhao Chen, Haoyang Chen, Hanjie Zhao, Haozhe Liang, Tieyun Qian · 2026

The rapid evolution of Vision-Language Models (VLMs) has catalyzed unprecedented capabilities in artificial intelligence; however, this continuous modal expansion has inadvertently exposed a vastly br…

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Earth & Environmental Sciences Preprint PDF DOI

SeisDiff-intp: a unified prompt-guided flow matching framework for multi-tasks seismic interpretation

Donglin Zhu, Peiyao Li, Ge Jin · 2026

The increasing demand for deep learning in seismic interpretation has highlighted significant challenges, particularly the reliance on massive, labeled datasets and the inefficiency of training isolat…

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AI & Data Science Preprint PDF DOI

INST-Align: Implicit Neural Alignment for Spatial Transcriptomics via Canonical Expression Fields

Bonian Han, Cong Qi, Przemyslaw Musialski, Zhi Wei · 2026

Spatial transcriptomics (ST) measures mRNA expression while preserving spatial organization, but multi-slice analysis faces two coupled difficulties: large non-rigid deformations across slices and int…

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Mathematics Preprint PDF DOI

Stochastic fractional heat equation with general rough noise

Bin Qian, Ran Wang · 2026

Consider the following nonlinear one-dimensional stochastic fractional heat equation $$\frac{\partial }{\partial t}u(t, x)= -(-\Delta)^{\alpha/2}u(t, x) +\sigma(t,x,u(t,x)) \dot{W}(t, x), $$ where $…

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Physics Preprint PDF DOI

Programmable Photocatalysis via Symmetry-Defined Periodic Potentials

Qun Yang, Di Luo, Prineha Narang · 2026

Photocatalysis in atomically thin semiconductors is often limited by rapid electron-hole recombination, making it difficult to translate favorable band structures into efficient chemical function. Her…

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AI & Data Science Preprint PDF DOI

POS-ISP: Pipeline Optimization at the Sequence Level for Task-aware ISP

Jiyun Won, Heemin Yang, Woohyeok Kim, Jungseul Ok, Sunghyun Cho · 2026

Recent work has explored optimizing image signal processing (ISP) pipelines for various tasks by composing predefined modules and adapting them to task-specific objectives. However, jointly optimizing…

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Physics Preprint PDF DOI

Higher resolution optical spectra of $M_*<10^{10}~M_{\odot}$ galaxies reveal outflow signatures unresolved by the SDSS

B. Hagedorn, C. Cicone, C. Vignali, P. Severgnini, M. Pedani, M. Sarzi, A. Saintonge, M. Romano · 2026

Galactic outflows are predicted to be ubiquitous in low-mass galaxies, but observational evidence is lacking. Both a low signal-to-noise and a low spectral resolution can severely hamper the detection…

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Computer Science Preprint PDF DOI

SE-Enhanced ViT and BiLSTM-Based Intrusion Detection for Secure IIoT and IoMT Environments

Afrah Gueriani, Hamza Kheddar, Ahmed Cherif Mazari, Seref Sagiroglu, Onur Ceran · 2026

With the rapid growth of interconnected devices in Industrial and Medical Internet of Things (IIoT and MIoT) ecosystems, ensuring timely and accurate detection of cyber threats has become a critical c…

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Physics Preprint PDF DOI

High-Temperature and High-Speed Atomic Force Microscopy Using a qPlus Sensor in Liquid via Quadpod Scanner and Hybrid-Loop Frequency Demodulation

Yuto Nishiwaki, Toru Utsunomiya, Takashi Ichii · 2026

Atomic-resolution imaging on molten metal/solid interfaces at temperatures above 200 {\deg}C was achieved using a high-temperature, high-speed atomic force microscope (AFM) equipped with a qPlus senso…

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Physics Preprint PDF DOI

Poisson Vertex Algebra of Seiberg-Witten Theory

Ahsan Z. Khan · 2026

The space of local operators in the $Q$-cohomology of the holomorphic-topological supercharge in a four-dimensional $\mathcal{N}=2$ theory carries the structure of a Poisson vertex algebra. This note …

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Engineering Preprint PDF DOI

DRIFT: Deep Restoration, ISP Fusion, and Tone-mapping

Soumendu Majee, Joshua Peter Ebenezer, Abhinau K. Venkataramanan, Weidi Liu, Thilo Balke, Zeeshan Nadir, Sreenithy Chandran, Seok-Jun Lee, Hamid Rahim Sheikh · 2026

Smartphone cameras have gained immense popularity with the adoption of high-resolution and high-dynamic range imaging. As a result, high-performance camera Image Signal Processors (ISPs) are crucial i…

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Physics Preprint PDF DOI

A Five-Stage Framework for Slitless Grism Spectra: Demonstrated on Euclid Q1 Strong-Lens Candidates and Ported to CEERS NIRCam

R.Tata · 2026

Wide-field slitless grism spectroscopy is difficult in the co-spatial regime, where multiple sources share one cross-dispersion PSF element and catalogue-level decontamination (aXe/LINEAR/Grizli) does…

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Physics Preprint PDF DOI

Insulator-to-Metal Transitions Driven by Quantized Formal Polarization Mismatch

Hongsheng Pang, Lixin He · 2026

We propose a mechanism for insulator-to-metal (IM) transitions driven by the mismatch of quantized formal polarization (QFP), a symmetry-protected bulk invariant. For a material with a low-symmetry in…

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Physics Preprint PDF DOI

First principles study of thermoelectric properties of $\text{Nb}_2\text{Co}_2\text{InSb}$ and $\text{Nb}_2\text{Co}_2\text{GaSb}$ double half-Heuslers

Rajeev Ranjan · 2026

Valence electron count (VEC) 18 half-Heusler (hH) alloys are considered promising for high-temperature thermoelectric applications due to their high Seebeck coefficient, mechanical stability, and robu…

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