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Universal features of electron-phonon interactions in atomic wires
L. de la Vega, A. Martin-Rodero, N. Agrait +1
The effect of electron-phonon interactions in the conductance through metallic atomic wires is theoretically analyzed. The proposed model allows to consider an atomic size region e…
Inverse proximity effect in superconductor-ferromagnet structures: From the ballistic to the diffusive limit
F. S. Bergeret, A. Levy Yeyati, A. Martin-Rodero
The inverse proximity effect, i.e. the induction of a magnetic moment in the superconductor in superconductor-ferromagnet (S/F) junctions is studied theoretically. We present a mic…
Distribution of conduction channels in nanoscale contacts: Evolution towards the diffusive limit
J. J. Riquelme, L. de la Vega, A. Levy Yeyati +3
We present an experimental determination of the conduction channel distribution in lead nanoscale contacts with total conductances ranging from 1 to 15 G0, where G0=2e2/h. It is fo…
Dynamical Coulomb blockade of multiple Andreev reflections
A. Levy Yeyati, J. C. Cuevas, A. Martin-Rodero
We analyze the dynamical Coulomb blockade of multiple Andreev reflections (MAR) in a superconducting quantum point contact coupled to a macroscopic impedance. We find that at very…