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Pis'ma v Zh. Èksper. Teoret. Fiz., 2013, Volume 97, Issue 1, Pages 18–23 (Mi jetpl3321)  

This article is cited in 12 scientific papers (total in 12 papers)

CONDENSED MATTER

LDA$^\prime$+DMFT investigation of electronic structure of K$_{1-x}$Fe$_{2-y}$Se$_2$ superconductor

I. A. Nekrasova, N. S. Pavlova, M. V. Sadovskiiab

a Institute of Electrophysics, Ural Branch, Russian Academy of Sciences, Ekaterinburg
b Institute of Metal Physics, Ural Division of the Russian Academy of Sciences

Abstract: We investigate electronic structure of the new iron chalcogenide high temperature superconductor K$_{1-x}$Fe$_{2-y}$Se$_2$ (hole doped case with $x=0.24$, $y=0.28$) in the normal phase using the novel LDA$^\prime$+DMFT computational approach. We show that this iron chalcogenide is more correlated in a sense of bandwidth renormalization (energy scale compression by factor about 5 in the interval $\pm1.5$ eV), than typical iron pnictides (compression factor about 2), though the Coulomb interaction strength is almost the same in both families. Our results for spectral densities are in general agreement with recent ARPES data on this system. It is found that all Fe-$3d(t_{2g})$ bands crossing the Fermi level have equal renormalization, in contrast to some previous interpretations. Electronic states at the Fermi level are of predominantly $xy$ symmetry. Also we show that LDA$^\prime$+DMFT results are in better agreement with experimental spectral function maps, than the results of conventional LDA+DMFT. Finally we make predictions for photoemission spectra lineshape for K$_{0.76}$Fe$_{1.72}$Se$_2$.

DOI: https://doi.org/10.7868/S0370274X13010049

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English version:
Journal of Experimental and Theoretical Physics Letters, 2013, 97:1, 15–19

Bibliographic databases:

Received: 15.11.2012
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Citation: I. A. Nekrasov, N. S. Pavlov, M. V. Sadovskii, “LDA$^\prime$+DMFT investigation of electronic structure of K$_{1-x}$Fe$_{2-y}$Se$_2$ superconductor”, Pis'ma v Zh. Èksper. Teoret. Fiz., 97:1 (2013), 18–23; JETP Letters, 97:1 (2013), 15–19

Citation in format AMSBIB
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\by I.~A.~Nekrasov, N.~S.~Pavlov, M.~V.~Sadovskii
\paper LDA$^\prime$+DMFT investigation of electronic structure of
K$_{1-x}$Fe$_{2-y}$Se$_2$ superconductor
\jour Pis'ma v Zh. \`Eksper. Teoret. Fiz.
\yr 2013
\vol 97
\issue 1
\pages 18--23
\mathnet{http://mi.mathnet.ru/jetpl3321}
\crossref{https://doi.org/10.7868/S0370274X13010049}
\elib{http://elibrary.ru/item.asp?id=18791297}
\transl
\jour JETP Letters
\yr 2013
\vol 97
\issue 1
\pages 15--19
\crossref{https://doi.org/10.1134/S0021364013010074}
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\elib{http://elibrary.ru/item.asp?id=20436153}
\scopus{http://www.scopus.com/record/display.url?origin=inward&eid=2-s2.0-84875002448}


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    Citing articles on Google Scholar: Russian citations, English citations
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    This publication is cited in the following articles:
    1. JETP Letters, 98:1 (2013), 24–27  mathnet  crossref  crossref  isi  elib  elib
    2. Nekrasov I.A. Pavlov N.S. Sadovskii M.V., J. Exp. Theor. Phys., 117:5 (2013), 926–932  crossref  adsnasa  isi  elib  scopus
    3. I. A. Nekrasov, M. V. Sadovskii, JETP Letters, 99:10 (2014), 598–612  mathnet  crossref  crossref  isi  elib  elib
    4. Rani L., Ajay, Physica C, 510 (2015), 31–41  crossref  isi  elib  scopus
    5. JETP Letters, 102:1 (2015), 26–31  mathnet  crossref  crossref  isi  elib  elib
    6. M. V. Sadovskii, Phys. Usp., 59:10 (2016), 947–967  mathnet  crossref  crossref  adsnasa  isi  elib
    7. Pustovit Yu.V., Kordyuk A.A., Low Temp. Phys., 42:11 (2016), 995–1007  crossref  isi  elib  scopus
    8. Nekrasov I.A. Pavlov N.S. Sadovskii M.V. Slobodchikov A.A., Low Temp. Phys., 42:10 (2016), 891–899  crossref  isi  elib  scopus
    9. Nekrasov I.A. Pavlov N.S. Sadovskii M.V., J. Supercond. Nov. Magn, 29:4 (2016), 1117–1122  crossref  isi  elib  scopus
    10. S. Mandal, P. Zhang, S. Ismail-Beigi, K. Haule, Phys. Rev. Lett., 119:6 (2017), 067004  crossref  isi  scopus
    11. I. A. Nekrasov, N. S. Pavlov, M. V. Sadovskii, J. Exp. Theor. Phys., 126:4 (2018), 485–496  crossref  mathscinet  isi  scopus
    12. JETP Letters, 108:9 (2018), 623–626  mathnet  crossref  crossref  isi  elib
  •       Pis'ma v Zhurnal ksperimental'noi i Teoreticheskoi Fiziki
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