Dissipative charge transport in diffusive superconducting double-barrier junctions
E. V. Bezuglyi, E. N. Bratus’, V. S. Shumeiko
DOI 10.1103/PhysRevB.83.184517 · Physical Review B
Active bibliographic source — not scientific approval
Bibliographic access preserves source history; it does not approve extracted materials or validate reported claims. Review warnings on each occurrence separately.
Abstract
We solve the coherent multiple Andreev reflection (MAR) problem and calculate current-voltage characteristics (IVCs) for Josephson SINIS junctions, where S are local-equilibrium superconducting reservoirs, I denotes tunnel barriers, and N is a short diffusive normal wire, the length of which is much smaller than the coherence length, and the resistance is much smaller than the resistance of the tunnel barriers. The charge transport regime in such junctions qualitatively depends on a characteristic value γ=τdΔ of relative phase shifts between the electrons and retroreflected holes accumulated during the dwell time τd. In the limit of small electron-hole dephasing γ≪1, our solution recovers a known formula for a short mesoscopic connector extended to the MAR regime. At large dephasing, the subharmonic gap structure in the IVC scales with γ−1, which thus plays the role of an effective tunneling parameter. In this limit, the even gap subharmonics are resonantly enhanced, and the IVC exhibits portions with negative differential resistance.
Similar papers
Electron transport in mesoscopic disordered superconductor–normal-metal–superconductor junctions
similarity 0.91Athanassios Bardas & Dmitri V. Averin
Source status unknown — claims are unverified
Phase-sensitive transport at a normal metal–superconductor interface close to a Josephson junction
similarity 0.91David Gosselin et al.
Source status unknown — claims are unverified
Dissipative charge transport in diffusive superconducting double-barrier junctions
similarity 0.90E. V. Bezuglyi et al. · 2011 · arXiv:1103.4640
Source status unknown — claims are unverified
Equilibrium properties of double-screened dipole-barrier SINIS Josephson junctions
similarity 0.90Branislav K. Nikolić et al.
Source status unknown — claims are unverified
Low-energy theory of transport in Majorana wire junctions
similarity 0.89A. Zazunov et al. · 2016 · arXiv:1603.02969
Source status unknown — claims are unverified
Elastic and spin-fluctuation-mediated inelastic Josephson tunneling between anisotropic superconductors
similarity 0.89Yung-mau Nie & L. Coffey
Source status unknown — claims are unverified