Electronic structure and possible pseudogap behavior in iron based superconductors

Details Electronic structure and possible pseudogap behavior in iron based superconductors Electronic structure and possible pseudogap behavior in iron based superconductors

2010-05-06

arxiv.org/abs/1005.0884v4

JETP Lett. 91 (2010) 661

Physics

Condensed Matter

Superconductivity

5 pages, 4 figures, published version

Scientific paper

Starting from the simplified analytic model of electronic spectrum of iron - pnictogen (chalcogen) high - temperature superconductors close to the Fermi level, we discuss the influence of antiferromagneting (AFM)scattering both for stoichiometric case and the region of possible short - range order AFM fluctuations in doped compounds. Qualitative picture of the evolution of electronic spectrum and Fermi surfaces (FS) for different dopings is presented, with the aim of comparison with existing and future ARPES experiments. Both electron and hole dopings are considered and possible pseudogap behavior connected with partial FS "destruction" is demonstrated, explaining some recent experiments.

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