Results 11 to 20 of about 10,311,463 (236)

Spontaneous radiation emission from short, high field strength magnetic devices

open access: yesPhysical Review Special Topics. Accelerators and Beams, 2006
Since the earliest papers on undulators were published, it has been known how to calculate the spontaneous emission spectrum from short undulators when the magnetic field strength parameter is small compared to unity, or in “single” frequency sinusoidal ...
G. A. Krafft
doaj   +2 more sources

Magnetic-Field-Assisted Diffusion Motion of Magnetic Skyrmions

open access: yes, 2022
Studies of the diffusion dynamics of magnetic skyrmions have generated widespread interest in both fundamental physics and spintronics applications. Here we report the magnetic-field-assisted diffusion motion of skyrmions in a microstructured chiral FeGe
Xiaowei Lv (4581700)   +8 more
core   +5 more sources

Longitudinal spatial characterisation of optical fibre erbium distributed feedback laser under the motion of steady magnetic field [PDF]

open access: yes, 2014
The spatial sensitivity of an erbium doped optical fibre distributed feedback (DFB) laser to an external magnetic field is reported. Intrinsic birefringence of the laser cavity allows lasing in two orthogonal modes.
Yuan Yao   +3 more
core   +4 more sources

Magnetic field at geosynchronous orbit during high-speed stream-driven storms: Connections to the solar wind, the plasma sheet, and the outer electron radiation belt [PDF]

open access: yes, 2010
Superposed-epoch analysis is performed on magnetic field measurements from five GOES spacecraft in geosynchronous orbit during 63 high-speed stream-driven storms in 1995–2005. The field strength and the field stretching angle are examined as functions of
Denton, Michael H., Borovsky, J. E.
core   +5 more sources

Bats respond to very weak magnetic fields. [PDF]

open access: yesPLoS ONE, 2015
How animals, including mammals, can respond to and utilize the direction and intensity of the Earth's magnetic field for orientation and navigation is contentious.
Lan-Xiang Tian   +4 more
doaj   +1 more source

Magnetic-Field-Dependent Stimulated Emission from Nitrogen-Vacancy Centres in Diamond

open access: yes, 2021
Negatively charged nitrogen-vacancy centres in diamond are promising quantum magnetic field sensors. Laser threshold magnetometry has been a theoretical approach for the improvement of NV-centre ensemble sensitivity via increased signal strength and ...
L. Lindner (14407185)   +9 more
core   +1 more source

Simulation Analysis of the Motion of Superparamagnetic Particles in Liquid-Phase Fluid under a Magnetic Field

open access: yesApplied Sciences, 2023
Based on the magnetic response of magnetic particles, the targeting of particles to a target area under the modulation of an external magnetic field has been used in many applications.
Qiangqiang Zhang   +3 more
doaj   +1 more source

Dependence of the polytropic index of plasma on magnetic field

open access: yesNew Journal of Physics, 2021
Determination of the polytropic index of plasma in a magnetic field provides description of plasma physics ranging from laboratory plasma in the Earth to black hole in the Universe.
June Young Kim   +3 more
doaj   +1 more source

Surface damage resulting from rolling contact operating in magnetic field [PDF]

open access: yes, 2007
This paper describes the effects of magnetic field in rolling contact tests of steel by using a two-disc configuration and the investigation of mechanisms involved.
Y Iida   +5 more
core   +1 more source

Design of the Stable Homogeneous Magnetic Field Calibration Device Generated by the Circular Coils

open access: yesIEEE Access, 2022
This research relates to manufacturing stable homogeneous magnetic field strength generating equipment. It refers to the stable homogeneous magnetic field device’s design method in the theoretical, finite element, and experimental methods, which ...
Shao Syuan Syu   +3 more
doaj   +1 more source

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