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Condensed Matter > Superconductivity

Title: Effect of the gap anisotropy on the spin resonance peak in superconducting state of iron-based materials

Abstract: We study the spin resonance in the superconducting state of iron-based materials within the multiorbital model with unequal anisotropic gaps on different Fermi surface sheets. We show that the resonance peak shifts to higher frequencies with increasing the zero-amplitude gap magnitude. On the contrary, with increasing the gap anisotropy, it shifts to lower frequencies and lose some intensity.
Comments: 7 pages + 1 page supplementary materials
Subjects: Superconductivity (cond-mat.supr-con)
Cite as: arXiv:1803.06736 [cond-mat.supr-con]
  (or arXiv:1803.06736v1 [cond-mat.supr-con] for this version)

Submission history

From: Maxim M. Korshunov [view email]
[v1] Sun, 18 Mar 2018 20:49:47 GMT (462kb,D)