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VOLUME 25 (1977) | ISSUE 10 | PAGE 465
Contribution to the theory of nonlinear effects in the electric conductivity of metallic junctions
A rigorous solution is presented of the problem of the electric conductivity of normal contacts of the constriction type in the limit when a 41 (a is the radius of the contact and / is the mean free path). The distribution of the electric field in the constriction region and the nonlinear singularities on the current-voltage characteristics are determined in an energy region on the order of the Debye phonons and of the Fermi energy. An analogy is noted between the properties of pure microbridges and tunneling junctions.