Phonon assisted tunneling in Josephson junctions
E. G. Maksimov, P. I. Arseyev, N. S. Maslova
Abstract
The expression for additional subgap current in the presence of electron-phonon interaction is derived. We show that the phonon assisted tunneling leads to appearance of peaks on current-voltage characteristics at the Josephson frequencies corresponding to the Raman-active phonons. The relation of the obtained results to experimental observations are discussed.
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