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Conservation of Flux by a Superconducting Torus
Phys. Rev. 78, 58 – Published 1 April, 1950
DOI: https://doi.org/10.1103/PhysRev.78.58
Abstract
A superconducing torus was subjected to a magnetic field normal to the plane of the torus and the field distribution across the plane of the superconducting torus was determined experimentally. The magnetic field near the axis of the torus was found to have the same direction as the applied field, but near the inner surface of the torus the field reversed direction in such a manner that the total flux enclosed by the torus was zero. It is concluded that the magnetic field distribution about a superconducting torus in weak magnetic fields can be adequately described by classical electrodynamics and the assumption of perfect diamagnetism.
References (1)
- Jules de Launay, "Electrodynamics of a superconducting torus," Naval Research Laboratory Report No. P-3441 (April, 1949)