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Superconducting bulk (RE)Ba$_2$Cu$_3$O$_{7-x}$ materials (RE-rare earth elements) have been successfully used to generate magnetic flux densities in excess of 17 T. This work investigates an alternative approach by trapping flux in stacks…

Superconductivity · Physics 2017-09-12 Algirdas Baskys , Krzysztof Filar , Anup Patel , Bartek Glowacki

In Magnetic Particle Imaging, a field-free region is maneuvered throughout the field of view using a time-varying magnetic field known as the drive-field. Human-sized systems operate the drive-field in the kHz range and generate it by…

Signal Processing · Electrical Eng. & Systems 2024-04-10 Fabian Mohn , Fynn Förger , Florian Thieben , Martin Möddel , Ingo Schmale , Tobias Knopp , Matthias Graeser

Striation of HTS coated conductors (CCs) as a way to reduce their magnetization AC losses has been the subject of intense research in the past years by several groups. While the principle of this approach is well understood, its practical…

Data Drift is the phenomenon where the generating model behind the data changes over time. Due to data drift, any model built on the past training data becomes less relevant and inaccurate over time. Thus, detecting and controlling for data…

Machine Learning · Computer Science 2025-04-29 Subhadip Bandyopadhyay , Joy Bose , Sujoy Roy Chowdhury

Finite element methods (FEM) for high-temperature superconducting (HTS) magnets become time-consuming at larger scales, restricting the rapid optimization of meter-scale REBCO solenoids. In this work, a surrogate model based on a fully…

Machine Learning · Computer Science 2026-03-11 Mianjun Xiao , Peng Song , Yulong Liu , Cedric Korte , Ziyang Xu , Jiale Gao , Jiaqi Lu , Haoyang Nie , Qiantong Deng , Timing Qu

The rapidly emerging technology of high-temperature superconductors (HTS) opens new opportunities for the development of non-planar non-insulated HTS magnets. This type of HTS magnet offers attractive features via its simplicity,…

Accelerator Physics · Physics 2020-10-28 Carlos Paz-Soldan

Probing the dynamics of superconducting transitions induced by strong electromagnetic fields is vital to designing high power devices leveraging these materials. The development of high temperature superconductors (HTS) is particularly…

Nanometer-scale imaging of magnetization and current density is the key to deciphering the mechanisms behind a variety of new and poorly understood condensed matter phenomena. The recently discovered correlated states hosted in atomically…

Mesoscale and Nanoscale Physics · Physics 2022-02-01 Estefani Marchiori , Lorenzo Ceccarelli , Nicola Rossi , Luca Lorenzelli , Christian L. Degen , Martino Poggio

Hysteresis and the non-equilibrium dynamic phase transition in thin magnetic films subject to an oscillatory external field have been studied by Monte Carlo simulation. The model under investigation is a classical Heisenberg spin system…

Statistical Mechanics · Physics 2009-10-31 Hyunbum Jang , Malcolm J Grimson

High $p_T$ Higgs production at hadron colliders provides a direct probe of the internal structure of the $gg \to H$ loop with the $H \to b\bar{b}$ decay offering the most statistics due to the large branching ratio. Despite the overwhelming…

High Energy Physics - Phenomenology · Physics 2018-11-05 Joshua Lin , Marat Freytsis , Ian Moult , Benjamin Nachman

We analyze the influence of the magnetic field generated by the supercurrents (self-field) on the current density distribution by numerical simulations. The thickness of the superconducting film determines the self-field and consequently…

Superconductivity · Physics 2010-01-21 F. Hengstberger , M. Eisterer , H. W. Weber

Measurements of AC losses in a HTS-tape placed in between of two bulk magnetic shields of high permeability were performed by applying calorimetric techniques for various asymmetrical shielding arrangements. The experiment was supported by…

Superconductivity · Physics 2018-04-09 S. T. Ranecky , H. Watanabe , J. Ogawa , T. Oka , D. Goelden , L. Alff , Y. A. Genenko

Protecting a high temperature superconducting (HTS) magnet from a quench event is a challenging task. Because of the slow normal zone propagation velocity, the long reliable quench detection method by directly monitoring coil voltage may…

Superconductivity · Physics 2022-06-15 Rui Kang , Juan Wang , Qingjin Xu

We aim to characterize the thermodynamic and dynamical conditions leading to condensation in cluster cores, and to assess the role of magnetic fields. We implement a Monte-Carlo tracer particle algorithm in the GPU-accelerated code…

Astrophysics of Galaxies · Physics 2026-05-04 M. Fournier , P. Grete , M. Brüggen , B. W. O'Shea , G. M. Voit , B. D. Wibking , D. Prasad

We have examined the spin polarization of the electron current in a ferromagnetic metal induced by the spin-dependent surface screening at the dielectric-ferromagnetic metal (D-FM) interface. In an applied ac voltage, the dynamic band…

Mesoscale and Nanoscale Physics · Physics 2019-11-20 Piotr Graczyk , Maciej Krawczyk

In recent years, numerical models have become popular and powerful tools to investigate the electromagnetic behavior of superconductors. One domain where this advances are most necessary is the 3D modeling of the electromagnetic behavior of…

Superconductivity · Physics 2020-01-10 M. Kapolka , V. M. R. Zermeño , S. Zou , A. Morandi , P. L. Ribani , E. Pardo , F. Grilli

High field superconducting magnets using high temperature superconductors are being developed for high energy physics, nuclear magnetic resonance and energy storage applications. Although the conductor technology has progressed to the point…

Accelerator Physics · Physics 2014-01-17 J. Schwartz

While the prediction of AC losses during transients is critical for designing large-scale low-temperature superconducting (LTS) magnets, brute-force finite-element (FE) simulation of their detailed geometry down to the length scale of the…

The development of Hybrid CMOS Detectors (HCDs) for X-Ray telescope focal planes will place them in con- tention with CCDs on future satellite missions due to their faster frame rates, flexible readout scenarios, lower power consumption,…

Instrumentation and Methods for Astrophysics · Physics 2015-05-14 Stephen D. Bongiorno , Abe D. Falcone , David N. Burrows , Robert Cook , Yibin Bai , Mark Farris

We show how to calculate the magnetic-field and sheet-current distributions for a thin-film superconducting annular ring (inner radius a, outer radius b, and thickness d<<a) when either the penetration depth obeys lambda < d/2 or, if lambda…

Superconductivity · Physics 2010-08-31 Ali A. Babaei Brojeny , John R. Clem
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