搜索结果: 1-15 共查到“物理学 magnet”相关记录36条 . 查询时间(0.041 秒)
Tokamak Energy magnet technology to be tested in USA（图）
托卡马克 能源磁体技术 伽马辐射 低温恒温器系统
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2023/5/4
Tokamak Energy of the UK is to send its gamma radiation cryostat system to the US Department of Energy's Sandia Laboratories in Albuquerque, New Mexico, so that it can be exposed to extreme conditions...
HiLumi News: Recovery of an HL-LHC niobium–tin magnet（图）
HL-LHC 铌锡磁铁 加速器
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2023/5/25
CERN and the US Accelerator Upgrade Project (AUP, a consortium of various US institutions including Fermilab, BNL and LBNL laboratories based at Fermilab) are working in tandem to develop, build and t...
HiLumi News: 7.2-m-long niobium–tin quadrupole magnet manufactured at CERN reaches nominal current for the first time（图）
欧洲核子研究中心 铌锡四极杆磁铁 标称电流
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2023/5/26
Another success for the HL-LHC magnet programme: after the successful endurance test of a 4.2-metre-long niobium–tin quadrupole magnet in the United States in spring 2022, the HL-LHC quadrupole’s long...
HL-LHC magnet endurance test further confirms niobium–tin’s resilience（图）
HL-大型强子对撞机 耐久性测试 铌锡磁铁 弹性
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2023/5/26
Future accelerator projects, including the high-luminosity upgrade of the Large Hadron Collider, will rely on niobium–tin (Nb3Sn) alloys for their superconducting components, such as electromagnets. T...
The movement of small water droplets is controlled by means of a magnet
magnet water movement magnetic field
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2021/8/11
A new study has presented and characterized the formation and properties of a superparamagnetic ring, which fits snugly around a drop of water due to liquid-liquid interaction, and allows the drops to...
“Magic-angle” trilayer graphene may be a rare, magnet-proof superconductor（图）
三层石墨烯 防磁超导体 MRI机器 量子计算机
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2023/6/7
MIT physicists have observed signs of a rare type of superconductivity in a material called magic-angle twisted trilayer graphene. In a study appearing today in Nature, the researchers report that the...
Scientists discover a magnet that exhibits novel quantum effects（图）
Scientists magnet novel quantum effects
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2020/7/31
An international team led by researchers at Princeton University has uncovered a new class of magnet that exhibits novel quantum effects at room temperature. Quantum magnets are promising pl...
第25届国际磁铁技术大会（25th International Conference on Magnet Technology）
第25届 国际磁铁技术 大会
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2017/5/24
On behalf of the International Organising Committee it is a great pleasure for us to invite you to the 25th International Conference on Magnet Technology in 2017 from August 27 to September 1 in Amste...
Optimal current waveforms for brushless permanent magnet motors
Permanent magnetic electric magnetic current waveform emf waveform voltage current limiting eddy current loss model
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2015/8/7
In this paper we give energy-optimal excitation current waveforms for a permanent magnet synchronous motor that result in a desired average torque. Our formulation generalizes previous work by includi...
Nonmagnetic duo form unique magnet
Nonmagnetic duo unique magnet
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2015/8/4
Titanium and gold are usually not magnetic and cannot be magnets – unless you combine them just so.Scientists at Rice University did so and discovered what is a first of its kind: an itinerant antifer...
Spin current and polarization reversal through a single-molecule magnet with ferromagnetic electrodes
Spin current polarization reversal single-molecule magnet ferromagnetic electrodes
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2012/2/27
We theoretically study the spin-polarized transport through a single-molecule magnet, which is weakly coupled to ferromagnetic leads, by means of the rate-equation approach. We consider both the ferro...
Radiation effects in a muon collider ring and dipole magnet protection
Radiation effects muon collider ring dipole magnet protection
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2012/2/28
The requirements and operating conditions for a Muon Collider Storage Ring (MCSR) pose significant challenges to superconducting magnets. The dipole magnets should provide a high magnetic field to red...
Critical behavior of the Random-Field Ising Magnet with long range correlated disorder
random- eld Ising model, correlated disorder, corrections to scaling
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2011/9/29
We study the correlated-disorder driven zero-temperature phase transition of the Random-Field Ising Magnet using exact numerical ground-state calculations for cubic lattices. We consider correlations ...
Properties of recent IBAD-MOCVD Coated Conductors relevant to their high field, low temperature magnet use
Properties high field, low temperature magnet use
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2010/11/18
BaZrO3 (BZO) nanorods are now incorporated into production IBAD-MOCVD coated conductors. Here we compare several examples of both BZO-free and BZO-containing coated conductors using critical current (...
Lost and found: The missing diabolical points in the Fe$_8$ molecular magnet
diabolical points Fe$_8$ molecular magnet
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2010/11/24
Certain diabolical points in the tunneling spectrum of the single-molecule magnet Fe8 were pre-
viously believed to be have been eliminated as a result of a weak fourth-order anisotropy. As shown by ...