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Paper   IPM / CMNL / 16880
Condensed Matter National Laboratory
  Title:   Superconducting critical temperature of hole doped blue phosphorene
1.  Davoud Nasr Esfahani
2.  Reza Asgari
  Status:   Preprint
  Year:  2017
  Supported by:  IPM
We theoretically explore the superconducting critical temperature of hole doped blue phosphorene. Implementing the density functional theory calculations, we show that for the hole doped blue phosphorene, the isotropic superconducting state is induced owing to the quite strong electron-phonon coupling. The theory is based on the Migdal-Eliashberg formalism and the critical temperature is obtained through set-of-equations, self-consistency. In addition, we include a vertex correction diagram to the Migdal-Eliashberg formalism. The inclusion of the vertex correction beyond the Migdal-Eliashberg formalism changes the about K, depending on the level of the doping. Our accurate numerical results show that the superconducting critical temperature is still quite high, even in the cases that the vertex correction is implemented.

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