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has been cited by the following article:

• TITLE: Generalized BCS Equations and the Iron-Pnictide Superconductors

  AUTHORS: Gulshan P. Malik, Israel Chávez, Manuel de Llano

  KEYWORDS: Generalized BCS Equation; Iron-Pnictide Superconductors; Multiple Gaps

  JOURNAL NAME: Journal of Modern Physics, Vol.4 No.4, April 24, 2013

  ABSTRACT: A detailed quantitative study of the pnictide composite superconductor (CS) Ba0.6K0.4Fe2As2 is presented in the frame-work of the recently derived set of generalized BCS equations. Invoking multiple Debye temperatures to take into account anisotropy of the CS, we address the current experimental data on its Tc and the (not so clear-cut) gap-values via different theoretical scenarios that attempt to identify the ion species responsible for pairing in it. This is done with the aid of the Bogoliubov’s restriction on the BCS dimensionless electron-phonon coupling constant. Significantly, our study sheds light on the gaps which have recently been observed in different iron-pnictide CSs as nodes or line-nodes on the Fermi surface and have evinced considerable interest.