Josephson effect in superconducting bridges  Microscopic theory
Abstract
A theory of the dc Josephson effect in superconducting microbridges is constructed on the basis of the Eilenberger microscopic equations. It is found that the currentphase relationship and the critical current derived by this theory are different than those for tunnel junctions. This difference is most pronounced at low temperatures and for bridges of highest purity. The critical current of a pure bridge at absolute zero is twice that of a tunnel junction at the same normalstate resistance.
 Publication:

Fizika Nizkikh Temperatur
 Pub Date:
 March 1978
 Bibcode:
 1978FizNT...4..296K
 Keywords:

 Electric Bridges;
 Josephson Junctions;
 Superconductivity;
 Boundary Value Problems;
 Direct Current;
 Electric Contacts;
 Electron Tunneling;
 Mathematical Models;
 Phase Shift;
 Temperature Effects;
 VoltAmpere Characteristics;
 Electronics and Electrical Engineering