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In industrial settings, surface defects on steel can significantly compromise its service life and elevate potential safety risks. Traditional defect detection methods predominantly rely on manual inspection, which suffers from low…

Machine Learning · Computer Science 2025-04-25 Cheng Shen , Yuewei Liu

A growing need exists for efficient and accurate methods for detecting defects in semiconductor materials and devices. These defects can have a detrimental impact on the efficiency of the manufacturing process, because they cause critical…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Thibault Lechien , Enrique Dehaerne , Bappaditya Dey , Victor Blanco , Sandip Halder , Stefan De Gendt , Wannes Meert

Quantum magnetometers based on spin defects in solids enable sensitive imaging of various magnetic phenomena, such as ferro- and antiferromagnetism, superconductivity, and current-induced fields. Existing protocols primarily focus on static…

New magnetometry techniques based on Nitrogen-Vacancy (NV) defects in diamond allow for the imaging of static (DC) and oscillatory (AC) nanoscopic magnetic systems. However, these techniques require accurate knowledge and control of the…

Mesoscale and Nanoscale Physics · Physics 2009-11-26 Liam T. Hall , Charles D. Hill , Jared H. Cole , Lloyd C. L. Hollenberg

Magnetic Johnson noise is an important consideration for many applications involving precision magnetometry, and its significance will only increase in the future with improvements in measurement sensitivity. The fluctuation-dissipation…

Applied Physics · Physics 2024-10-11 N. S. Phan , S. M. Clayton , Y. J. Kim , T. M. Ito

Delta-E effect-based magnetoelectric sensors have emerged as promising technology for detecting weak magnetic fields at low frequencies. However, the performance of such sensors remains difficult to predict, as signal and noise…

In this paper, we will show how random fluctuations in the magnetic field will jitter the paths of a matter-wave interferometer randomly, hence, decohere the quantum superposition. To create a large spatial superposition with nanoparticles,…

Quantum Physics · Physics 2025-08-26 Sneha Narasimha Moorthy , Andrew Geraci , Sougato Bose , Anupam Mazumdar

In the surface defect detection, there are some suspicious regions that cannot be uniquely classified as abnormal or normal. The annotating of suspicious regions is easily affected by factors such as workers' emotional fluctuations and…

Computer Vision and Pattern Recognition · Computer Science 2023-01-26 Tongzhi Niu , Bin Li , Kai Li , Yufeng Lin , Yuwei Li , Weifeng Li , Zhenrong Wang

We report on the origin of fragmentation of ultracold atoms observed on a permanent magnetic film atom chip. A novel technique is used to characterize small spatial variations of the magnetic field near the film surface using radio…

Atomic Physics · Physics 2009-07-07 S. Whitlock , B. V. Hall , T. Roach , R. Anderson , P. Hannaford , A. I. Sidorov

Besides a drastic reduction in saturation magnetization of disordered Sr2FeMoO6 compared to highly ordered samples, magnetizations as a function of the temperature for different disordered samples may also show qualitatively different…

Materials Science · Physics 2007-05-23 Dinesh Topwal , U. Manju , Sugata Ray , S. Raj , D. D. Sarma , S. R. Krishnakumar , M. Bertolo , S. La Rosa , G. Cautero

Detection and characterization of hidden defects, impurities, and damages in layered composites like Fibre laminates, e.g., Fibre Metal Laminates (FML), as well as in monolithic materials, e.g., aluminum die casting materials, is still a…

Computer Vision and Pattern Recognition · Computer Science 2023-11-22 Stefan Bosse , Dirk Lehmhus

A general theory of thermal magnetic fluctuations near conductive materials is developed; such fluctuations are the magnetic analog of Johnson noise. For realistic experiments in quantum computing and magnetic resonance force microscopy,…

Quantum Physics · Physics 2007-05-23 J. A. Sidles , J. L. Garbini , W. M. Dougherty , S. H. Chao

The control and measurement of local non-equilibrium configurations is of utmost importance in applications on energy harvesting, thermoelectrics and heat management in nano-electronics. This challenging task can be achieved with the help…

Mesoscale and Nanoscale Physics · Physics 2016-08-01 E. S. Tikhonov , D. V. Shovkun , D. Ercolani , F. Rossella , M. Rocci , L. Sorba , S. Roddaro , V. S. Khrapai

In this paper, we propose a framework called TrustMAE to address the problem of product defect classification. Instead of relying on defective images that are difficult to collect and laborious to label, our framework can accept datasets…

Computer Vision and Pattern Recognition · Computer Science 2021-01-01 Daniel Stanley Tan , Yi-Chun Chen , Trista Pei-Chun Chen , Wei-Chao Chen

We compute the local spectrum of the magnetic field near a metallic microstructure at finite temperature. Our main focus is on deviations from a plane-layered geometry for which we review the main properties. Arbitrary geometries are…

Classical Physics · Physics 2008-06-05 Bo Zhang , Carsten Henkel

Muons have a similar latency/energy correlation from pion decay as do the neutrinos, and hence in each time-slice in a stroboscopic analysis measurements of their momentum spectra can reduce systematic uncertainties due to flux. There are,…

High Energy Physics - Experiment · Physics 2022-12-20 Henry J. Frisch

Nanomagnets with small shape anisotropy energy barriers on the order of the thermal energy have unstable magnetization that fluctuates randomly in time. They have recently emerged as promising hardware platforms for stochastic computing and…

Mesoscale and Nanoscale Physics · Physics 2020-03-10 Md Ahsanul Abeed , Supriyo Bandyopadhyay

Nuclear magnetic resonance detection in ultra low field regime enables the measurement of different components of a spurious remanence in the polymeric material constituting the sample container. A differential atomic magnetometer detects…

Instrumentation and Detectors · Physics 2019-05-29 Giuseppe Bevilacqua , Valerio Biancalana , Yordanka Dancheva , Leonardo Stiaccini , Antonio Vigilante

Whilst there are a plethora of algorithms for detecting changes in mean in univariate time-series, almost all struggle in real applications where there is autocorrelated noise or where the mean fluctuates locally between the abrupt changes…

Methodology · Statistics 2021-10-18 Gaetano Romano , Guillem Rigaill , Vincent Runge , Paul Fearnhead

Fluctuation-enhanced sensing comprises the analysis of the stochastic component of the sensor signal and the utilization of the microscopic dynamics of the interaction between the agent and the sensor. We study the relationship between the…

Data Analysis, Statistics and Probability · Physics 2012-07-13 P. Makra , Z. Topalian , C. G. Granqvist , L. B. Kish , C. Kwan