Szeftel, J.; Sandeau, N.; Abou Ghantous, M. An Observable Prerequisite for the Existence of Persistent Currents. The European Physical Journal B 2019, 92, doi:10.1140/epjb/e2019-100033-8.
Szeftel, J.; Sandeau, N.; Abou Ghantous, M. An Observable Prerequisite for the Existence of Persistent Currents. The European Physical Journal B 2019, 92, doi:10.1140/epjb/e2019-100033-8.
Szeftel, J.; Sandeau, N.; Abou Ghantous, M. An Observable Prerequisite for the Existence of Persistent Currents. The European Physical Journal B 2019, 92, doi:10.1140/epjb/e2019-100033-8.
Szeftel, J.; Sandeau, N.; Abou Ghantous, M. An Observable Prerequisite for the Existence of Persistent Currents. The European Physical Journal B 2019, 92, doi:10.1140/epjb/e2019-100033-8.
Abstract
A classical model is presented for persistent currents in superconductors. Their existence is argued to be warranted because their decay would violate the second law of thermodynamics. This conclusion is achieved by analyzing comparatively Ohm's law and the Joule effect in normal metals and superconducting materials. Whereas Ohm's law applies in identical terms in both cases, the Joule effect is shown to cause the temperature of a superconducting sample to \textit{decrease}. An experiment is proposed to check the validity of this work in superconductors of both types I and II.
Keywords
superconductivity; persistent currents; Joule effect; second law of thermodynamics
Subject
Physical Sciences, Condensed Matter Physics
Copyright:
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
