The effect of interaction on temperature behavior of the polarization and the anomalous self-energy for hole-doped and electron-doped cuprates

Document Type : supplement

Abstract

By considering the spin-fermion model that uses spin fluctuations as mechanism for pairing in HTSCs, we calculate the spin susceptibility or the polarization for hole-doped and electron-doped cuprates. For constant gap, we calculate a part of procedure analytically. In momentum dependent gap we presented polarization in term of frequency at zero temperature firstly and then considering discrete frequencies, we investigate the finite temperature case. Also considering a non-linear equation for superconducting gap, the first order approximation of energy gap in terms of momentum and frequency is represented. Finally, using self-consistent Eliashberg equations, we calculate first order self-energy for electron-doped and hole-doped cuprates and the effect of interaction is investigated

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Journal of Research on Many-body Systems
Volume 6, Special Issue (2)
The Conference on Many-Body Systems (Bulk and Nano-scale). K. N. Toosi University of Technology, 12 November 2015
December 2016
Pages 41-49

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History

  • Receive Date: 05 February 2016
  • Revise Date: 19 December 2016
  • Accept Date: 19 December 2016

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