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Superconductivity of the Induced Pairing Model in the Presence of Diagonal Disorder

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Abstract

We analyze the influence of randomness of local pair (LP) site energies on the superconducting properties of a mixture of coexisting local pairs and itinerant electrons coupled via charge exchange mechanism. It has been found that the diagonal disorder effects depend in a crucial way on the total particle concentration n and the LP level position Δ0. Depending on the parameters, the system can exhibit various types of superconducting behaviors, including the LP-like, intermediate (MIXED), and the BCS-like.

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Authors and Affiliations

  1. Institute of Physics, A. Mickiewicz University, ul. Umultowska 85, 61-614, Poznań, Poland

    G. Pawłowski, S. Robaszkiewicz & R. Micnas

Authors
  1. G. Pawłowski
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  2. S. Robaszkiewicz
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  3. R. Micnas
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Pawłowski, G., Robaszkiewicz, S. & Micnas, R. Superconductivity of the Induced Pairing Model in the Presence of Diagonal Disorder. Journal of Superconductivity 17, 33–36 (2004). https://doi.org/10.1023/B:JOSC.0000011836.87330.f3

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  • DOI: https://doi.org/10.1023/B:JOSC.0000011836.87330.f3

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