Multi-probe conductance formulae for mesoscopic superconductors

Lambert, Colin and Hui, V. C. and Robinson, S. J. (1993) Multi-probe conductance formulae for mesoscopic superconductors. Journal of Physics: Condensed Matter, 5 (25). pp. 4187-4206. ISSN 0953-8984

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After presenting an intuitive picture of quasi-particle transport in mesoscopic superconductors, which emphasizes the intimate relation between Andreev scattering and zero resistivity, we develop a general theory of DC transport in mesoscopic normal-superconducting structures. Generalized multi-probe conductance formulae are derived, which take into account not only the effect of Andreev scattering on transport coefficients. but also the non-conservation of quasi-particle charge which arises in the presence of a superconducting condensate. Experiments on quasi-particle charge imbalance are described naturally by this approach.

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Journal Article
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Journal of Physics: Condensed Matter
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24 Oct 2012 10:19
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21 Nov 2022 22:51