Strong electron–phonon interaction effects in the conductivity of superconducting point contacts
S. I. Beloborod’koPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, KharkovA. N. Omel’yanchukPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, Kharkov
ABI
Аннотация
A nonlinear I–V characteristic responsible for the peculiarities of the phonon density of states in a superconductor–normal-metal point contact is found. The effects of strong coupling in Josephson’s current in a superconductor-superconductor point contact are considered.
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