The enhanced s*-wave component of the superconducting gap in the overdoped HTSC cuprates with orthorhombic distortion
I. A. Makarov,
S. G. Ovchinnikov
Abstract:In this work, the concentration and temperature dependences of the superconducting gap of the HTSC cuprate in the orthorhombic phase are obtained within the framework of the Hubbard model taking into account the exchange mechanism of pairing. The enhanced s * -wave component of the superconducting gap against the background of the prevailing d-wave component in a narrow range of hole concentrations in the overdoped region is found. To elucidate the reasons for such unusual behavior the electronic structure of … Show more
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