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VOLUME 55 (1992) | ISSUE 6 | PAGE 332
Plasmon superconductivity as a possible reason for the increase in the transition temperature in multilayer cuprate metal oxides
A plasmon mechanism for superconductivity in a layered metal with a narrow 2D band near the Fermi level leads to an increase in the transition temperature Tc upon an increase in the number (η) of conducting layers in the primitive cell. There is a tendency toward saturation at large values of n. This behavior is in qualitative agreement with the experimental behavior of Tc as a function of η in the cuprate metal oxides Bi2Sr2Ca„ _ ^ Cu„ Ox and Tlm Ba2Ca„ „ t Cu„ Ox.