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An up to 15 T pulsed magnetic field generator in a volume of a few cubic centimeters has been created for experiments with magnetized laser plasma. The magnetic field is created by a pair of coils placed in a sealed reservoir with liquid…

Field decay rate is the key characteristic of the superconducting magnets based on closed-loop coils. However, in Maglev trains or rotating machines, closed-loop magnets work in external AC fields and will exhibit an evidently accelerated…

Applied Physics · Physics 2020-09-28 Zhuoyan Zhong , Wei Wu , Xueliang Wang , Xiaofen Li , Jie Sheng , Zhiyong Hong , Zhijian Jin

We report the first demonstration of an inductively coupled magnetic ring trap for cold atoms. A uniform, ac magnetic field is used to induce current in a copper ring, which creates an opposing magnetic field that is time-averaged to…

Atomic Physics · Physics 2012-11-01 J. D. Pritchard , A. N. Dinkelaker , A. S. Arnold , P. F. Griffin , E. Riis

Controlling the magnetization reversal process of magnetic elements is important for a wide range of applications that make use of magnetoresistive effects, but is difficult to achieve for devices that require adjacent thin film structures…

Mesoscale and Nanoscale Physics · Physics 2016-11-23 Gavin D. Scott , Ting-Chen Hu

The unified approach based on the Generalized BCS equations incorporating chemical potential employed to deal with the critical temperature, gap(s) and coherence length(s) of any superconductor (SC) in an earlier paper is shown here to be…

Superconductivity · Physics 2025-12-19 G. P. Malik , V. S. Varma

The distribution of the current density and the profile of the trapped magnetic field of a superconducting disk magnetized by uniform field are calculated from first principles. The effect of the superconducting parameters is taken into…

Superconductivity · Physics 2007-05-23 C Li , J J Wang , C Y He , L F Meng , R s Han , Z X Gao

An ultra-high magnetic field was generated by the electro-magnetic flux compression technique under a reduced seed magnetic field condition and achieved maximum magnetic field intensity was investigated. An ordinal pickup coil measurement…

Instrumentation and Detectors · Physics 2018-03-14 Daisuke Nakamura , Hironobu Sawabe , Shojiro Takeyama

The magnet system is one of the key elements of a watt balance. For the new watt balance currently under construction at the National Institute of Standards and Technology, a permanent magnet system was chosen. We describe the detailed…

Instrumentation and Detectors · Physics 2014-12-25 Frank Seifert , Alireza Panna , Shisong Li , Bing Han , Leon Chao , Austin Cao , Darine Haddad , Heeju Choi , Lori Haley , Stephan Schlamminger

3D print is a recently developed technique, for single-unit production, and for structures that have been impossible to build previously. The current work presents a method to 3D print polymer bonded isotropic hard magnets with a low-cost,…

Instrumentation and Detectors · Physics 2016-10-28 C. Huber , C. Abert , F. Bruckner , M. Groenefeld , O. Muthsam , S. Schuschnigg , K. Sirak , R. Thanhoffer , I. Teliban , R. Windl , and D. Suess

Magnetic resonance imaging and spectroscopy rely on the magnetic fields generated by radiofrequency volume coils to acquire high-quality data. Consequently, a comprehensive understanding of electromagnetic field behavior in RF volume coils…

Medical Physics · Physics 2025-01-24 A. Villareal , J. Lazovic , S. E. Solis-Najera , R. Martin , R. Ruiz , L. Medina , A. O. Rodriguez

We report the results of optical polarimetric observations of a Bok globule CB34 to study magnetic field structure on large scales ($10^5-10^6$ AU), which is combined with archival sub-mm observations to characterize the magnetic field…

Solar and Stellar Astrophysics · Physics 2016-11-23 A. Das , H. S. Das , Biman J. Medhi , S. Wolf

We study a novel millimetre-scale magnetic trap for ultracold atoms, in which the current carrying conductors can be situated outside the vacuum region, a few mm away from the atoms. This design generates a magnetic field gradient in excess…

An infinite array of parallel current-carrying wires is known, from the field of neutral particle optics, to produce an exponentially localized magnetic field when the current direction is antiparallel in adjacent wires. We show that a…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Daniel A. Lidar , Joseph H. Thywissen

A magnet designed for use in a magnetic refrigeration device is presented. The magnet is designed by applying two general schemes for improving a magnet design to a concentric Halbach cylinder magnet design and dimensioning and segmenting…

Instrumentation and Detectors · Physics 2014-10-09 R. Bjørk , C. R. H. Bahl , A. Smith , D. V. Christensen , N. Pryds

We introduce a simple approach to evaluate the magnetic field distribution around superconducting samples, based on the London equations; the elementary variable is the vector potential. This procedure has no adjustable parameters, only the…

Superconductivity · Physics 2015-06-16 J. -G. Caputo , L. Gozzelino , F. Laviano , G. Ghigo , R. Gerbaldo , J. Noudem , Y. Thimont , P. Bernstein

The Compact Muon Solenoid (CMS) is a general purpose detector, designed to run at the highest luminosity at the CERN Large Hadron Collider (LHC). Its distinctive features include a 4 T superconducting solenoid with 6-m-diameter by…

Instrumentation and Detectors · Physics 2016-06-02 V. I. Klyukhin , N. Amapane , A. Ball , B. Curé , A. Gaddi , H. Gerwig , M. Mulders , V. Calvelli , A. Hervé , R. Loveless

We present a micron-sized induction magnetometer designed to measure the magnetic response of superconducting mesoscopic samples. The device is manufactured using the Memscap PolyMUMPs process and consists of two octagonal planar parallel…

Superconductivity · Physics 2018-10-08 R. V. Ibañez Bustos , S. D. Calderón Rivero , F. Romá , H. Pastoriza , M. I. Dolz

We study in this paper the possible occurrence of orbital magnetim for two-dimensional electrons confined by a harmonic potential in various regimes of temperature and magnetic field. Standard coherent state families are used for…

Statistical Mechanics · Physics 2009-11-07 J. P. Gazeau , P. Y. Hsiao , A. Jellal

Finite energy QCD sum rules involving nucleon current correlators are used to determine several QCD and hadronic parameters in the presence of an external, uniform, large magnetic field. The continuum hadronic threshold $s_0$, nucleon mass…

High Energy Physics - Phenomenology · Physics 2020-11-18 C. A. Dominguez , Luis A. Hernández , Marcelo Loewe , Cristian Villavicencio , R. Zamora

Magnetic Particle Imaging (MPI) is a novel and versatile imaging modality developing towards human application. When up-scaling to human size, the sensitivity of the systems naturally drops as the coil sensitivity depends on the bore…