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Physics Preprint PDF DOI

On the polarization position angle jumps in FRB 20240114A

Ninisha Manaswini, Dante M. Hewitt, Laura G. Spitler, Jason W. T. Hessels, Ramesh Karuppusamy, Jeff Huang, Pranav Limaye, Lucas Guillemot, Ismael Cognard ยท 2026

Fast radio bursts (FRBs), thought to originate from magnetars, exhibit diverse polarization properties that constrain their emission physics and local magneto-ionic environments. The polarization posiโ€ฆ

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Physics Preprint PDF DOI

First Detection of Faraday Rotation in a Gamma-Ray Burst Afterglow: Low Polarization and High Rotation Measure in GRB 260310A Reveal Jet Magnetic Structure and Environment

Collin T. Christy, Tanmoy Laskar, Kate D. Alexander, Noah Franz, Jonathan Granot, Ryan Chornock, Raffaella Margutti, Ramandeep Gill, Jeniveve Pearson, Edo Berger, Wen-fai Fong, Coleman Rohde, Patricia Schady ยท 2026

We report the detection of linear polarization in the radio afterglow of GRB 260310A, representing the first centimeter-wavelength polarization detection of a gamma-ray burst (GRB) afterglow and the fโ€ฆ

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Education Preprint PDF DOI

Bridging the Quantum Divide: A Learning-Centric Quantum Hackathon for Underrepresented Students (Extended Version)

Fahimeh Bayeh, Linh Dinh, Dongho Lee, Scott Wesley ยท 2026

This paper describes the design and implementation of a two-day quantum hackathon for underrepresented high school students in Nova Scotia, Canada. The first day of the hackathon is spent introducing โ€ฆ

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Physics Preprint PDF DOI

Exact momentum-space analysis of small spin-1/2 $J_1$-$J_2$ rings

Zimeng Li, Ning Wu ยท 2026

This paper considers an $N$-site spin-1/2 $J_1$-$J_2$ ring with $N=6$ and $8$. With the help of a set of exact few-magnon Bloch states, we obtain the block-diagonalized Hamiltonian consisting of blockโ€ฆ

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AI & Data Science Preprint PDF DOI

A Unified Framework for Multiple Exposure Distributed Lag Non-Linear Models for Air Pollution Epidemiology

Tianyi Pan, Hwashin Hyun Shin, Alex Stringer, Glen McGee ยท 2026

This study quantifies the association between air pollution and mortality in Ontario, Canada. Exposure-response relationships in air pollution epidemiology are complex due to three features: time-laggโ€ฆ

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Physics Preprint PDF DOI

Stability Thresholds for Gravitationally Induced Entanglement in Shielded Setups

Jan Bulling, Marit O. E. Steiner, Julen S. Pedernales, Martin B. Plenio ยท 2026

Proposed experiments for gravitationally induced entanglement (GIE) typically suppress direct electromagnetic interactions between two massive particles by inserting a conducting Faraday shield. For sโ€ฆ

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Physics Preprint PDF DOI

Spin-wave hybridization in bismuth iron garnet Mie spheres induced by the inverse Faraday effect

Fedor Shuklin, Khristina Albitskaya, Alexander Chernov, Mihail Petrov ยท 2026

We show that the inverse Faraday effect can be used to engineer dipole--exchange spin-wave spectra in ferrimagnetic bismuth iron garnet (BIG) Mie spheres. Internal optical Mie resonances generate spatโ€ฆ

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Physics Preprint PDF DOI

Regular Black Holes in General Relativity from Nonlinear Electrodynamics with de Sitter Cores

A. A. Araujo Filho, Ednaldo L. B. Junior, Jose Tarciso S. S. Junior, Francisco S. N. Lobo, Jorde A. A. Ramos, Manuel E. Rodrigues, Diego Rubiera-Garcia, Luis F. Dias da Silva, Henrique A. Vieira ยท 2026

We present new regular black hole solutions in general relativity (GR) within a static, spherically symmetric framework governed by a variable equation of state, following the approach of [Class. Quanโ€ฆ

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Physics Preprint PDF DOI

Marangoni modulation of coupled Rayleigh-Taylor and Faraday instabilities in vertically oscillated liquid films

Jun Gao, Senlin Zhu, Luca Brandt, Jianjun Tao, Qingfei Fu, Lijun Yang ยท 2026

We investigate the Marangoni modulation of coupled Rayleigh-Taylor and Faraday instabilities in a vertically oscillated Newtonian liquid film carrying insoluble surfactants. Linear stability analysis โ€ฆ

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Computer Science Preprint PDF DOI

The Public Health and Environmental Surveillance Open Data Model (PHES-ODM) Version 3: An Open, Relational Data Model and Interoperability Framework for Wastewater Surveillance

Mathew Thomson, Jean-David Therrien, Nikho Hizon, Janet Lin, Martin Wellman, Eugen-Sorin Sion, Carol Bennett, Peter Van Rolleghem, Douglas Manuel ยท 2026

Wastewater surveillance (WWS) has emerged as a valuable tool for public health surveillance, particularly since the COVID-19 pandemic. Its long-term utility is constrained, however, by fragmented dataโ€ฆ

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Physics Preprint PDF DOI

Magnetic properties of the Abell 3391-3395 system revealed using wide-field MeerKAT polarimetry

V. Gustafsson, M. Bruggen, C. Tasse, S. P. O'Sullivan ยท 2026

Magnetic fields in cluster outskirts and the intercluster medium are poorly constrained because diffuse synchrotron emission is hard to detect at low surface brightness. Faraday rotation measures (RMsโ€ฆ

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Physics Preprint PDF DOI

Type-II-like ultrafast demagnetization behavior in NiCo2O4 thin films

Ryunosuke Takahashi, Kaede Yamada, Harjinder Singh, Kanata Watanabe, Junta Igarashi, Julius Hohlfeld, Jon Gorchon, Gregory Malinowski, Daisuke Kan, Yuichi Shimakawa, Takayuki Ishibashi, Stephane Mangin, Hiroki Wadati ยท 2026

Rare-earth-ferrimagnetic oxides are emerging as attractive platforms for investigating ultrafast spin dynamics. Here, we study the photoinduced magnetization dynamics of epitaxial NiCo2O4 (NCO) thin fโ€ฆ

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AI & Data Science Preprint PDF DOI

AutoPKG: An Automated Framework for Dynamic E-commerce Product-Attribute Knowledge Graph Construction

Pollawat Hongwimol, Haoning Shang, Chutong Wang, Zhichao Wan, Yi Gao, Yuanming Li, Lin Gui, Wenhao Sun, Cheng Yu ยท 2026

Product attribute extraction in e-commerce is bottlenecked by ontologies that are inconsistent, incomplete, and costly to maintain. We present AutoPKG, a multi-agent Large Language Model (LLM) framewoโ€ฆ

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Physics Preprint PDF DOI

AstroSURE: Learning to Remove Noise from Astronomical Images Without Ground Truth Data

Omid Vaheb, Sebastien Fabbro, Stark Draper ยท 2026

In astronomical imaging, the low photon count of exposures necessitates extensive post-processing steps, including contamination removal and denoising. This paper evaluates deep-learning denoising metโ€ฆ

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Physics Preprint PDF DOI

Circular polarization images of Sgr A* for different magnetic field geometries

Hao Yin, Songbai Chen, Jiliang Jing ยท 2026

Sgr A* exhibits a persistent negative circular polarization (CP) at 230\,GHz, offering a powerful probe of the magnetic field geometry in its accretion flow. Using a stationary semi-analytic radiativeโ€ฆ

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Economics & Finance Preprint PDF DOI

Mobility Behaviour of Immigrants in Canada: Analyzing Mode Choice Using GPS Panel Data and Mixed Logit Models

Tareq Alsaleh, Bilal Farooq, Zachary Patterson ยท 2026

We examine these relationships using a panel dataset of more than 80,000 trip observations from 100 participants through a custom-built mobile application. A joint revealed preference (RP) and stated โ€ฆ

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AI & Data Science Preprint PDF DOI

Bureaucratic Silences: What the Canadian AI Register Reveals, Omits, and Obscures

Dipto Das, Christelle Tessono, Syed Ishtiaque Ahmed, Shion Guha ยท 2026

In November 2025, the Government of Canada operationalized its commitment to transparency by releasing its first Federal AI Register. In this paper, we argue that such registers are not neutral mirrorโ€ฆ

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Physics Preprint PDF DOI

A Generalized Algorithmic Framework for Detecting Faraday Rotation Measure Flares in Repeating Fast Radio Bursts

Yuan-Pei Yang, Boyang Liu ยท 2026

Variations in the Faraday rotation measure (RM) of repeating fast radio bursts (FRBs) provide critical diagnostics of the dynamically evolving magneto-ionic environments surrounding their progenitors.โ€ฆ

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Physics Preprint PDF DOI

Effect of Rashba spin-orbit coupling on Faraday rotation in an extended Haldane model

Yuan Fang, Yixiang Wang, Xiaopu Zhang ยท 2026

Utilization of Faraday rotation (FR) properties of topological materials offers a promising route toward novel magneto-optical devices. We systematically investigated the effect of Rashba spin-orbit cโ€ฆ

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Computer Science Preprint PDF DOI

Spatiotemporal Analysis of VIIRS Satellite Observations and Network Traffic During the 2025 Manitoba Wildfires

Xiang Shi, Peng Hu ยท 2026

Climate change has intensified extreme weather and wildfire conditions globally. Canada experienced record-breaking wildfires in 2023 and 2025, burning millions of hectares and severely impacting the โ€ฆ

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