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  • Effect of rattling Phonons on Superconductivity of KOs_2O_6 

    Tajik, Samin
    We model the electron coupling to anharmonic (rattling) mode in β-pyrochlore superconductor KOs2O6 by a sharply peaked electron-phonon coupling function α2F(Ω) centered at the mode energy. The strong-coupling Eliashberg ...