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Simple theory of extremely overdoped HTS

A. F. Andreev
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Abstract

We demonstrate the existence of a simple physical picture of superconductivity for extremely overdoped CuO2 planes. It possesses all characteristic features of HTS, such as a high superconducting transition temperature, the $d_{x^2 - y^2}$ symmetry of order parameter, and the coexistence of a single electron Fermi surface and a pseudogap in the normal state. Values of pseudogap are calculated for different doping levels. An orbital paramagnetism of preformed pairs is predicted.

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A. F. Andreev. 2004-10-04. Simple theory of extremely overdoped HTS. https://doi.org/10.1134/1.1926430

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