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Pis'ma v Zh. Èksper. Teoret. Fiz., 2015, Volume 102, Issue 1, Pages 30–35 (Mi jetpl4671)  

This article is cited in 8 scientific papers (total in 8 papers)


Electronic structure of NaFeAs superconductor: LDA+DMFT calculations compared with ARPES experiment

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

a Institute for Electrophysics UB of the RAS, 620016 Ekaterinburg, Russia
b Mikheev Institute for Metal Physics UB of the RAS, 620290 Ekaterinburg, Russia

Abstract: We present the results of extended theoretical LDA+DMFT calculations for a new iron-pnictide high temperature superconductor NaFeAs compared with the recent high quality angle-resolved photoemission (ARPES) experiments on this system (see arXiv:1409.1537). The universal manifestation of correlation effects in iron-pnictides is narrowing of conducting bands near the Fermi level. Our calculations demonstrate that for NaFeAs the effective mass is renormalized on average by a factor of the order of 3, in good agreement with ARPES data. This is essentially due to correlation effects on Fe-$3d$ orbitals only and no additional interactions with any kind of Boson modes, as suggested in the work mentioned, are necessary to describe the experiment. Also we show that ARPES data taken at about 160 eV beam energy most probably corresponds to $k_z=\pi$ Brillouin zone boundary, while ARPES data measured at about 80 eV beam energy rather represents $k_z=0$. Contributions of different Fe-$3d$ orbitals into spectral function map are also discussed.


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English version:
Journal of Experimental and Theoretical Physics Letters, 2015, 102:1, 26–31

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Document Type: Article
Received: 21.05.2015
Language: English

Citation: I. A. Nekrasov, N. S. Pavlov, M. V. Sadovskii, “Electronic structure of NaFeAs superconductor: LDA+DMFT calculations compared with ARPES experiment”, Pis'ma v Zh. Èksper. Teoret. Fiz., 102:1 (2015), 30–35; JETP Letters, 102:1 (2015), 26–31

Citation in format AMSBIB
\by I.~A.~Nekrasov, N.~S.~Pavlov, M.~V.~Sadovskii
\paper Electronic structure of NaFeAs superconductor: LDA+DMFT calculations compared with ARPES experiment
\jour Pis'ma v Zh. \`Eksper. Teoret. Fiz.
\yr 2015
\vol 102
\issue 1
\pages 30--35
\jour JETP Letters
\yr 2015
\vol 102
\issue 1
\pages 26--31

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    This publication is cited in the following articles:
    1. M. V. Sadovskii, “High-temperature superconductivity in FeSe monolayers”, Phys. Usp., 59:10 (2016), 947–967  mathnet  crossref  crossref  adsnasa  isi  elib
    2. Nekrasov I.A. Pavlov N.S. Sadovskii M.V. Slobodchikov A.A., “Electronic structure of FeSe monolayer superconductors”, Low Temp. Phys., 42:10 (2016), 891–899  crossref  isi  elib  scopus
    3. Nekrasov I.A. Pavlov N.S. Sadovskii M.V., “Electronic Structure of NaFeAs Superconductor: LDA + DMFT Calculations Compared with ARPES Experiment”, J. Supercond. Nov. Magn, 29:4 (2016), 1117–1122  crossref  isi  elib  scopus
    4. Kashurnikov V.A. Krasavin A.V. Zhumagulov Ya.V., “Momentum Distribution and Non-Fermi-Liquid Behavior in Low-Doped Two-Orbital Model: Finite-Size Cluster Quantum Monte Carlo Approach”, Phys. Rev. B, 94:23 (2016), 235145  crossref  isi  scopus
    5. JETP Letters, 105:6 (2017), 370–374  mathnet  crossref  crossref  isi  elib
    6. M. D. Watson, S. Backes, A. A. Haghighirad, M. Hoesch, T. K. Kim, A. I. Coldea, R. Valenti, “Formation of Hubbard-like bands as a fingerprint of strong electron-electron interactions in FeSe”, Phys. Rev. B, 95:8 (2017), 081106  crossref  isi  scopus
    7. M. D. Watson, S. Aswartham, L. C. Rhodes, B. Parrett, H. Iwasawa, M. Hoesch, I. Morozov, B. Buechner, T. K. Kim, “Three-dimensional electronic structure of the nematic and antiferromagnetic phases of nafeas from detwinned angle-resolved photoemission spectroscopy”, Phys. Rev. B, 97:3 (2018), 035134  crossref  isi  scopus
    8. I. A. Nekrasov, N. S. Pavlov, M. V. Sadovskii, “Electronic structure of fese monolayer superconductors: shallow bands and correlations”, J. Exp. Theor. Phys., 126:4 (2018), 485–496  crossref  mathscinet  isi  scopus
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