Abstract

The nonmonotonic dependence of the superconducting transition temperature on the number of CuO 2 layers ( n) per unit cell for mercury-based cuprate systems is investigated with the framework of the electrostatic model and the Ginsburg-Landau theory. It is found that the largest value of the normalized density of states is 1.8 when n = 3, which corresponds to the highest T c in this series. Using reasonable parameters we predict an upper limit of T c of 160 K.

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