Conceptual design of a compact high gradient quadrupole magnet of varying strength using permanent magnets
![electromagnetism - Can you give me an example of a magnet with more than 2 poles? - Physics Stack Exchange electromagnetism - Can you give me an example of a magnet with more than 2 poles? - Physics Stack Exchange](https://i.stack.imgur.com/ZFMrS.png)
electromagnetism - Can you give me an example of a magnet with more than 2 poles? - Physics Stack Exchange
![Figure 5 from Simulation of Magnetic Field Topology in a Saddle-Shaped Coil of Nuclear Quadrupole Resonance Spectrometer | Semantic Scholar Figure 5 from Simulation of Magnetic Field Topology in a Saddle-Shaped Coil of Nuclear Quadrupole Resonance Spectrometer | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/6d8066389726f1a25d861f389034f3fcd1eb8503/5-Figure5-1.png)
Figure 5 from Simulation of Magnetic Field Topology in a Saddle-Shaped Coil of Nuclear Quadrupole Resonance Spectrometer | Semantic Scholar
Schematic view of the quadrupole magnetic field lines and the direction... | Download Scientific Diagram
![The magnetic flux density of a quadrupole field. The magnets surround a... | Download Scientific Diagram The magnetic flux density of a quadrupole field. The magnets surround a... | Download Scientific Diagram](https://www.researchgate.net/profile/Uzi-Even/publication/45893812/figure/fig2/AS:306072553312261@1449984791469/The-magnetic-flux-density-of-a-quadrupole-field-The-magnets-surround-a-15-cm-inner.png)
The magnetic flux density of a quadrupole field. The magnets surround a... | Download Scientific Diagram
![PDF] Electron Distribution in a Quadrupole Magnetic Field to Drive Magnetic Neutral Loop Discharge Plasma | Semantic Scholar PDF] Electron Distribution in a Quadrupole Magnetic Field to Drive Magnetic Neutral Loop Discharge Plasma | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/0a981faea52512d03c0adeca628230a49932198c/2-Figure1-1.png)
PDF] Electron Distribution in a Quadrupole Magnetic Field to Drive Magnetic Neutral Loop Discharge Plasma | Semantic Scholar
![Schematic illustration of the quadrupole-based concentration generator.... | Download Scientific Diagram Schematic illustration of the quadrupole-based concentration generator.... | Download Scientific Diagram](https://www.researchgate.net/profile/Yuze-Huang/publication/333728445/figure/fig2/AS:768972916015105@1560348838686/Schematic-illustration-of-the-quadrupole-based-concentration-generator-a.png)