Thin dielectric films in superconducting cavities | Zendy

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

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Thin dielectric films in superconducting cavities

Author(s) -

E. L. Garwin,

Mario Rabinowitz

Publication year - 1971

Publication title -

lettere al nuovo cimento della societa italiana di fisica/lettere al nuovo cimento

Language(s) - English

Resource type - Journals

eISSN - 0375-930X

pISSN - 0024-1318

DOI - 10.1007/bf02804559

Subject(s) - superconductivity , condensed matter physics , magnetic field , physics , field (mathematics) , superconducting magnetic energy storage , dielectric , field electron emission , superconducting magnet , electron , optoelectronics , nuclear physics , mathematics , quantum mechanics , pure mathematics

At high field levels, field emission losses in superconducting cavities have an adverse effect in both reducing the otherwise extremely high Q > 10^9, and the magnetic breakdown field bringing it well below the critical magnetic field of the superconductor. The two effects may well be related as field enhancing whiskers responsible for the field emission losses can be driven normal thus reducing the magnetic breakdown field. Both the beneficial and deleterious effects of anodizing the inner surface of superconducting cavities are discussed and analyzed.

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