Spherical Halbach array

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DeltaV
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Spherical Halbach array

Postby DeltaV » Tue Jul 13, 2010 6:39 pm

http://www.google.com/patents/about?id= ... US+4837542

More compact than a cylindrical Halbach array. Charged particles entering along the axis see no F=qvxB until they veer off axis. Then they see a force at right angles to v and B and start to spiral. Might be useful for reducing beam spread or selecting energies.

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