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Domain Walls in Normal and Superconducting States of Iron Pnictides
- Source :
- Phy.Rev.B 83,134517 (2011)
- Publication Year :
- 2010
-
Abstract
- The electronic and magnetic structures in the normal and superconducting states of iron pnictides are investigated by solving self-consistently the Bogoliubov-de Gennes equation. It is shown that strong electron correlations can induce domain walls, which separate regions with different spin density wave orders. At zero or low electron doping, $90^\circ$ domain walls are formed while anti-phase domain walls are produced at higher electron doping. On the domain walls, larger electron densities are always present. The results agree qualitatively with recent observations of scanning tunneling microscopy and superconducting quantum interference device microscopy.<br />Comment: 5 pages,5 figures
- Subjects :
- Condensed Matter - Superconductivity
Subjects
Details
- Database :
- arXiv
- Journal :
- Phy.Rev.B 83,134517 (2011)
- Publication Type :
- Report
- Accession number :
- edsarx.1008.2981
- Document Type :
- Working Paper
- Full Text :
- https://doi.org/10.1103/PhysRevB.83.134517