Spin-resolved spectra of Shiba multiplets from Mn impurities in MgB2

Cǎtǎlin Paşcu Moca, Eugene Demler, Boldizsár Jankó, Gergely Zaránd

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

We study the effect of magnetic Mn ions on the two-band superconductor MgB2, and compute both the total and spin-resolved scanning tunneling spectrum in the vicinity of the magnetic impurity. We show that when the internal structure of the Mn ion's d -shell is taken into account, multiple Shiba states appear in the spectrum. The presence of these multiplets could alter significantly the overall interpretation of local tunneling spectra for a wide range of superconducting hosts and magnetic impurities.

Original languageEnglish
Article number174516
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume77
Issue number17
DOIs
Publication statusPublished - May 30 2008

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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