Permanent multipole magnetic fields stored in superconductors | Zendy

E. L. Garwin | Zendy; Mario Rabinowitz | Zendy; D. Frankel | Zendy

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Permanent multipole magnetic fields stored in superconductors

Author(s) -

E. L. Garwin,

Mario Rabinowitz,

D. Frankel

Publication year - 1973

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.1654522

Subject(s) - multipole expansion , quadrupole , superconductivity , magnetic field , quadrupole magnet , dipole , physics , magnetic dipole , charged particle , electron , condensed matter physics , trapping , field (mathematics) , atomic physics , nuclear physics , ion , ecology , mathematics , quantum mechanics , pure mathematics , biology

Hollow superconducting cylinders of Pb, Nb, and Nb3Sn were used to permanently store dipole, quadrupole, and sextupole magnetic fields with high fidelity to the original fields. Fields were trapped transversely to the axes of solid, hollow, and split hollow cylinders. This experimental demonstration indicates that it should be possible to store any multipole magnetic field configuration by this method. Important benefits should accrue to technologies dealing with the focusing of charged particle beams, such as accelerators, electron microscopes, etc. Use of field trapping permits determination of the fluxoid pinning force.

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