中文
相关论文

相关论文: How to Measure Magnetic Flux with a Single Positio…

200 篇论文

In this study, the properties of wavefunctions of the MHD oscillations for a single and a system of straight flux tubes are investigated. Magnetic flux tubes with a straight magnetic field and longitudinal density stratification were…

太阳与恒星天体物理 · 物理学 2017-02-01 Shahriar Esmaeili , Mojtaba Nasiri , Neda Dadashi , Hossein Safari

A permanent magnet assembly in which the flux density can be altered by a mechanical operation is often significantly smaller than comparable electromagnets and also requires no electrical power to operate. In this paper five permanent…

仪器与探测器 · 物理学 2014-10-13 R. Bjørk , C. R. H. Bahl , A. Smith , N. Pryds

A new experiment to measure the muon g-2 factor is proposed. We suppose the sensitivity of this experiment to be about 0.03 ppm. The developed experiment can be performed on an ordinary storage ring with a noncontinuous field created by…

高能物理 - 实验 · 物理学 2011-06-27 Alexander J. Silenko

We present a precise measurement of the combined electron plus positron flux from 0.5 GeV to 1 TeV, based on the analysis of the data collected by the Alpha Magnetic Spectrometer during the first 30 months of operations aboard the…

高能天体物理现象 · 物理学 2017-01-10 Manuela Vecchi

A novel concept of a measurement technology for the localization and determination of the size of gas bubbles is presented, which is intended to contribute to a further understanding of the dynamics of efficiency-reducing gas bubbles in…

流体动力学 · 物理学 2023-07-24 L. Krause , N. Kumar , T. Wondrak , S. Gumhold , S. Eckert , K. Eckert

We present simulations of an imaging mechanism that reveals the trajectories of electrons in a two-dimensional electron gas (2DEG), as well as simulations of the electron flow in zero and small magnetic fields. The end goal of this work is…

介观与纳米尺度物理 · 物理学 2009-11-11 Katherine E. Aidala , Robert E. Parrott , E. J. Heller , R. M. Westervelt

Quantum transport through an open periodic array of up to five dots is investigated in the presence of a magnetic field. The device spectrum exhibits clear features of the band structure of the corresponding one-dimensional artificial…

介观与纳米尺度物理 · 物理学 2007-07-18 Panagiotis Drouvelis , Giorgos Fagas , Peter Schmelcher

We consider various methods and techniques for measuring electron magnetization and susceptibility, which are used in experimental condensed matter physics. The list of considered methods for macroscopic measurements includes…

材料科学 · 物理学 2023-02-20 V. M. Pudalov

A vibrating wire may be used as an instrument with a variety of applications, one of which is the measurement of magnetic fields. Often, the magnetic fields are determined by measuring the amplitude of the wire vibration under the action of…

加速器物理 · 物理学 2020-08-25 Jason Gilbert , Cameron Baribeau

We report on an instrument for applying ac and dc magnetic fields by capturing the flux from a rotating permanent magnet and projecting it between two adjustable pole pieces. This can be an alternative to standard electromagnets for…

仪器与探测器 · 物理学 2014-04-29 Daniel B. Gopman , Huanlong Liu , Andrew D. Kent

A magnetic field rotating on the free surface of a ferrofluid layer is shown to induce considerable fluid motion toward the direction the field is rolling. The measured flow velocity i) increases with the square of the magnetic field…

流体动力学 · 物理学 2007-05-23 Robert Krauss , Mario Liu , Bert Reimann , Reinhard Richter , Ingo Rehberg

Measurements with a one-electron quantum cyclotron determine the electron magnetic moment, given by $g/2 = 1.001\,159\,652\,180\,73\,(28)\,[0.28~\textrm{ppt}]$, and the fine structure constant,…

原子物理 · 物理学 2023-11-14 D. Hanneke , S. Fogwell Hoogerheide , G. Gabrielse

We present an approach to compute the electric and magnetic dipole moments of an electron by using polarization and magnetization parts of the Dirac current. We show that these dipole moment expressions obtained by our approach in this…

量子物理 · 物理学 2019-07-05 Semra Gurtas Dogan , Ganim Gecim , Yusuf Sucu

Submicron Hall magnetometry has been demonstrated as an efficient technique to probe extremely weak magnetic fields. In this letter, we analyze the possibility of employing it to detect single electron spin. Signal strength and readout time…

介观与纳米尺度物理 · 物理学 2009-11-10 Jinshuang Jin , Xin-Qi Li

In Ref. [1], Minkov et al. reported measurements of the magnetic moment that remains after a magnetic field is turned on and then turned off for hydride materials under high pressure in a diamond anvil cell. In Refs. [2,3], Minkov et al.…

超导电性 · 物理学 2023-09-27 J. E. Hirsch , F. Marsiglio

Magnetic resonance of sodium fluorescence is studied with varying laser intensity, duty cycle, and field strength. A magnetometer based on sodium vapor cell filled with He buffer gas is demonstrated, which uses a single amplitude-modulated…

光学 · 物理学 2018-02-14 Tingwei Fan , Lei Zhang , Xuezong Yang , Shuzhen Cui , Tianhua Zhou , Yan Feng

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…

仪器与探测器 · 物理学 2016-08-09 V. I. Klyukhin , N. Amapane , A. Ball , B. Curé , A. Gaddi , H. Gerwig , M. Mulders , A. Hervé , R. Loveless

In metallic samples of small enough size and sufficiently strong momentum-conserving scattering, the viscosity of the electron gas can become the dominant process governing transport. In this regime, momentum is a long-lived quantity whose…

强关联电子 · 物理学 2017-06-07 Thomas Scaffidi , Nabhanila Nandi , Burkhard Schmidt , Andrew P. Mackenzie , Joel E. Moore

A novel frequency modulated MEMS magnetometer is presented. The new device is inspired by the magnetic force microscopy technique, it combines standard MEMS technology with magnetic elements to obtain a magnetometer with potential for low…

仪器与探测器 · 物理学 2021-09-08 Federico Maspero , Gabriele Gatani , Simone Cuccurullo , Riccardo Bertacco

A model of repeated quantum measurements of magnetic flux in superconducting circuits manifesting tunneling is discussed. The perturbation due to the previous measurements of magnetic flux is always present unless quantum nondemolition…

量子物理 · 物理学 2009-10-28 T. Calarco , R. Onofrio