On spatial non-homogeneity in iron pnictides: formation of stripes

Details On spatial non-homogeneity in iron pnictides: formation of stripes On spatial non-homogeneity in iron pnictides: formation of stripes

2010-01-26

arxiv.org/abs/1001.4641v2

Physics

Condensed Matter

Superconductivity

5 pages, 1 figure; the title is changed, the estimations of energy cost of one soliton and DOS imbedded into it are added

Scientific paper

The heterogeneous coexistence of antiferromagnetism (SDW) and superconductivity on a mesoscopic scale was observed in iron-pnictides in many recent experiments. We suggest and discuss the scenario in which the heterogeneity is caused by formation of domain walls inherent to the SDW state of pnictides at a proper doping or under applied pressure. Superconductivity would emerge from the modulated SDW structure. The phenomenon is akin to the FFLO-phase in superconductors.

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