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Manifestations of the electron-phonon interaction range in angle-resolved photoemission spectra

J. Krsnik, V. N. Strocov, N. Nagaosa, O. S. Barišić, Z. Rukelj, S. M. Yakubenya, and A. S. Mishchenko
Phys. Rev. B 102, 121108(R) – Published 22 September 2020
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Abstract

Numerous angle-resolved photoemission spectroscopy (ARPES) studies of a wide class of low-density metallic systems, ranging from doped transition metal oxides to quasi-two-dimensional interfaces between insulators, exhibit phonon sidebands below the quasiparticle peak as a unique hallmark of polaronic correlations. Here, we single out properties of ARPES spectra that can provide a robust estimate of the effective range (screening length) of the electron-phonon interaction, regardless of the limited experimental resolution, dimensionality, and particular features of the electronic structure, facilitating a general methodology for an analysis of a whole class of materials.

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  • Received 4 December 2019
  • Revised 2 September 2020
  • Accepted 3 September 2020

DOI:https://doi.org/10.1103/PhysRevB.102.121108

©2020 American Physical Society

Physics Subject Headings (PhySH)

Condensed Matter, Materials & Applied Physics

Authors & Affiliations

J. Krsnik1,*, V. N. Strocov2, N. Nagaosa3,4, O. S. Barišić1, Z. Rukelj5, S. M. Yakubenya6, and A. S. Mishchenko3,6

  • 1Institute of Physics, HR-10000 Zagreb, Croatia
  • 2Swiss Light Source, Paul Scherrer Institute, Villigen CH-5232, Switzerland
  • 3RIKEN Center for Emergent Matter Science (CEMS), Wako, Saitama 351-0198, Japan
  • 4Department of Applied Physics, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
  • 5Department of Physics, Faculty of Science, University of Zagreb, HR-10000 Zagreb, Croatia
  • 6NRC “Kurchatov Institute,” 123182 Moscow, Russia

  • *Corresponding author: jkrsnik@ifs.hr

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Issue

Vol. 102, Iss. 12 — 15 September 2020

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