Conductance suppression in normal-metal-superconductor mesoscopic structures

R. Seviour; C. Lambert; A. Volkov

doi:10.1103/PhysRevB.58.12338

Conductance suppression in normal-metal-superconductor mesoscopic structures

R. Seviour, C. Lambert, A. Volkov

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

Using a scattering matrix approach and quasiclassical Green’s function technique, we calculate the conductance of the superconductor-normal-metal (S/N) system (see Fig. 11). We establish that the difference between the superconducting and normal state conductance (δG=Gs−Gn) is negative for large S/N interface resistances (RS/N) and changes sign with decreasing RS/N.

Original language	English
Pages (from-to)	12338-12343
Number of pages	6
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	58
Issue number	18
DOIs	https://doi.org/10.1103/PhysRevB.58.12338
Publication status	Published - 1 Nov 1998
Externally published	Yes

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abstract = "Using a scattering matrix approach and quasiclassical Green{\textquoteright}s function technique, we calculate the conductance of the superconductor-normal-metal (S/N) system (see Fig. 11). We establish that the difference between the superconducting and normal state conductance (δG=Gs−Gn) is negative for large S/N interface resistances (RS/N) and changes sign with decreasing RS/N.",

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AU - Volkov, A.

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N2 - Using a scattering matrix approach and quasiclassical Green’s function technique, we calculate the conductance of the superconductor-normal-metal (S/N) system (see Fig. 11). We establish that the difference between the superconducting and normal state conductance (δG=Gs−Gn) is negative for large S/N interface resistances (RS/N) and changes sign with decreasing RS/N.

AB - Using a scattering matrix approach and quasiclassical Green’s function technique, we calculate the conductance of the superconductor-normal-metal (S/N) system (see Fig. 11). We establish that the difference between the superconducting and normal state conductance (δG=Gs−Gn) is negative for large S/N interface resistances (RS/N) and changes sign with decreasing RS/N.

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KW - superconductors (materials)

KW - superconducting electrodes

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Conductance suppression in normal-metal-superconductor mesoscopic structures

Abstract

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