Gravitational Lensing and Image Distortion by Buchdahl Inspired Metric in R2\mathcal{R}^2 Gravity

December 30, 2024

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Physics
General Relativity and Quantum Cosmology
High Energy Astrophysical Phenomena
General Relativity and Quantum Cosmology
High Energy Astrophysical Phenomena
We investigate gravitational lensing by \textit{special} Buchdahl inspired metric with the Buchdahl parameter k~\tilde{k}. In strong deflection limit, we derive the deflection angle analytically for the light rays that diverge as photons ap...

Beam test performance of a prototype muon trigger detector for the PSI muEDM experiment

December 30, 2024

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Physics
Instrumentation and Detectors
Instrumentation and Detectors
High Energy Physics - Experiment
High Energy Physics - Experiment
We report on the performance evaluation of a prototype muon trigger detector for the PSI muEDM experiment, conducted as a proof-of-principle test at the π\piE1 beamline of the Paul Scherrer Institute (PSI) using \SI{27.5}{MeV/c} muons. The...

Reinforcing Thinking through Reasoning-Enhanced Reward Models

December 30, 2024

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Computer Science
Machine Learning
Artificial Intelligence
Computation and Language
Machine Learning
Artificial Intelligence
Computation and Language
Large Language Models (LLMs) exhibit great potential in complex multi-step reasoning through inference-time thinking but still struggle with deciding when to stop thinking due to limited self-awareness about their knowledge boundaries. Whil...

SS-CTML: Self-Supervised Cross-Task Mutual Learning for CT Image Reconstruction

December 30, 2024

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Electrical Engineering and Systems Science
Computer Science
Image and Video Processing
Computer Vision and Pattern Recognition
Machine Learning
Image and Video Processing
Computer Vision and Pattern Recognition
Machine Learning
Supervised deep-learning (SDL) techniques with paired training datasets have been widely studied for X-ray computed tomography (CT) image reconstruction. However, due to the difficulties of obtaining paired training datasets in clinical rou...

Loschmidt Echo for edge of chaos and chaotic sea in Standard Map: Cases Study

December 30, 2024

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Physics
Quantum Physics
Chaotic Dynamics
Quantum Physics
Chaotic Dynamics
Using the Standard Map model, this study explores the quantum Loschmidt Echo (LE) decay laws for mixed-type phase spaces, including edge of chaos and chaotic sea regimes. A universal decay law is proposed and numerically verified, character...

A Fourfold Pathogen Reference Ontology Suite

December 30, 2024

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Quantitative Biology
Computer Science
Other Quantitative Biology
Artificial Intelligence
Logic in Computer Science
Other Quantitative Biology
Artificial Intelligence
Logic in Computer Science
Infectious diseases remain a critical global health challenge, and the integration of standardized ontologies plays a vital role in managing related data. The Infectious Disease Ontology (IDO) and its extensions, such as the Coronavirus Inf...

Geometry Matters: Benchmarking Scientific ML Approaches for Flow Prediction around Complex Geometries

December 30, 2024

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Computer Science
Physics
Machine Learning
Fluid Dynamics
Machine Learning
Fluid Dynamics
Rapid yet accurate simulations of fluid dynamics around complex geometries is critical in a variety of engineering and scientific applications, including aerodynamics and biomedical flows. However, while scientific machine learning (SciML) ...

The Effects of Anthropogenic Air and Light Pollution on Astrophysics and Society

December 30, 2024

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Physics
Physics and Society
Instrumentation and Methods for Astrophysics
Atmospheric and Oceanic Physics
Physics and Society
Instrumentation and Methods for Astrophysics
Atmospheric and Oceanic Physics
Light and air pollution are the two main forms of pollution, containing the highest concentration in urban areas. I set out to investigate the effects of anthropogenic air and light pollution on the night sky, how this affects the astronomi...

Human-AI Teaming Using Large Language Models: Boosting Brain-Computer Interfacing (BCI) and Brain Research

December 30, 2024

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Computer Science
Human-Computer Interaction
Artificial Intelligence
Human-Computer Interaction
Artificial Intelligence
Recently, there is an increasing interest in using artificial intelligence (AI) to automate aspects of the research process, or even autonomously conduct the full research cycle from idea generation, over data analysis, to composing and eva...

Real-Time Computational Visual Aberration Correcting Display Through High-Contrast Inverse Blurring

December 30, 2024

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Electrical Engineering and Systems Science
Computer Science
Image and Video Processing
Computer Vision and Pattern Recognition
Image and Video Processing
Computer Vision and Pattern Recognition
This paper presents a framework for developing a live vision-correcting display (VCD) to address refractive visual aberrations without the need for traditional vision correction devices like glasses or contact lenses, particularly in scenar...