A. A. Kordyuk, V. B. Zabolotnyy, D. V. Evtushinsky, A. N. Yaresko, B. Buchner, S. V. Borisenko
arXiv:1111.0288;
based on the talk presented at FPS'11 (2011 FPS Kordyuk.pdf 8.45 MB);
see also a review article Low Temp. Phys. 38, 888 (2012); arXiv:1209.0140.
ARPES experiments on iron based superconductors show that the differences between the measured and calculated electronic band structures look insignificant but can be very important for understanding of the mechanism of high temperature superconductivity. Here we focus on those differences for 111 and 122 compounds and discuss the observed correlation of the experimental band structure with superconductivity.
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