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Paper
Correlation between the Hall coefficient, penetration depth, transition temperature, gap anisotropy and hole concentration in layered high-temperature superconductors
Abstract
We explore the correlation between the Hall coefficient, penetration depth, transition temperature, gap anisotropy and hole concentration in a tight binding model for layered high-temperature superconductors. By adopting the BCS strategy, nearest neighbor intralayer singlet and extended s-wave pairing cut off at the hole Fermi energy, remarkable agreement with generic experimental facts is obtained. Thus, a cylindrical hole Fermi surface and intralayer extended s-wave singlet pairing appear to be generic features of the cuprate semiconductors. For high doping levels, however, intralayer d-wave singlet pairing appears to be the stable phase. © 1990 Springer-Verlag.