Reentrant \(s\)-wave superconductivity in the periodic Anderson model with attractive conduction band Hubbard interaction

Reentrant \(s\)-wave superconductivity in the periodic Anderson model with attractive conduction band Hubbard interaction

Spin-flip scattering from magnetic impurities has a strong pair-breaking effect in \(s\)-wave superconductors where increasing the concentration of impurities rapidly destroys superconductivity. For small Kondo temperature \(T_K\) the destruction of superconductivity is preceded by the reentrant sup...

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Veröffentlicht in:arXiv.org 2020-05
Hauptverfasser: W -V van Gerven Oei, Tanasković, D
Format: Artikel
Sprache:eng
Schlagworte:
Conduction bands
Impurities
Kondo effect
Kondo temperature
Mean field theory
Superconductivity
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Zusammenfassung:Spin-flip scattering from magnetic impurities has a strong pair-breaking effect in \(s\)-wave superconductors where increasing the concentration of impurities rapidly destroys superconductivity. For small Kondo temperature \(T_K\) the destruction of superconductivity is preceded by the reentrant superconductivity at finite temperature range \(T_{c2} < T < T_{c1}\), while the normal phase reappears at \(T
ISSN:2331-8422
DOI:10.48550/arxiv.2005.06581