Standard behaviour of Bi2Sr2CaCu2O8+d overdoped

G. A. Ummarino

doi:10.3390/condmat6020013

Standard behaviour of Bi2Sr2CaCu2O8+d overdoped

Superconductivity 2026-02-25 v3

Authors: G. A. Ummarino

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Abstract

I calculated the critical temperature and superconducting gap in the framework of one band d wave Eliashberg's theory with only one free parameter in order to reproduce the experimental data relative to Bi2Sr2CaCu2O8+d (BSCCO) in the overdoped regime. The theoretical calculations are in excellent agreement with the experimental data and indicate that the cuprates in the overdoped regime are well described by standard d-wave Eliashberg theory with antiferromagnetic spin fluctuations.

Keywords

bscco overdoped cuprates d-wave eliashberg theory critical temperature superconducting gap spin fluctuations

Cite

@article{arxiv.2102.02500,
  title  = {Standard behaviour of Bi2Sr2CaCu2O8+d overdoped},
  author = {G. A. Ummarino},
  journal= {arXiv preprint arXiv:2102.02500},
  year   = {2026}
}

Comments

9 pages, 3 figures, new version with correction of numerical mistakes

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