Possible scenario of the spatially separated Fermi-Bose mixture in the superconductive bismuthates Ba₁₋ₓKₓBiO₃
Kagan, M. Yu. · Menushenkov, A. P. · Klementev, K. V. · Kuznetsov, A. V.
Original · EN
A new scenario for superconductivity in the bismuthates based on the concept of a spatially separated Fermi-Bose mixture is proposed. In the framework of this scenario we qualitatively explain the insulator-metal transition and the nature of the superconductivity which occur in Ba₁₋ₓKₓBiO₃ under doping by K. We also analyze briefly an applicability of this scenario for the high-Tc superconductors. In conclusion some additional experiments required to elucidate more precisely the nature of the superconductivity in the bismuthates are discussed.
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