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The Superconductivity State Induced by Spin-Wave Exchange

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Abstract

We used the flow equation method to obtain from the electron–magnon Hamiltonian an effective electron–electron Hamiltonian with renormalized single-particle energy. In the Cooper channel the electron–electron interaction was found to be attractive. The energy scale of the superconducting critical temperature is determined by the spin splitting, which gives rise to the realistic energy scale.

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Authors and Affiliations

  1. Department of Theoretical Physics, University of Cluj, 3400, Cluj, Romania

    C. P. Moca, I. Tifrea & M. Crisan

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  1. C. P. Moca
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  2. I. Tifrea
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  3. M. Crisan
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Moca, C.P., Tifrea, I. & Crisan, M. The Superconductivity State Induced by Spin-Wave Exchange. Journal of Superconductivity 11, 723–728 (1998). https://doi.org/10.1023/A:1022689006289

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