Transition Between Large and Small Polaron States in the Electronic Structure of HTSC Cuprates

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• 作者：I. A. Makarov ; E. I. Shneyder ; P. A. Kozlov…
• 关键词：Cuprates ; Strong electron correlations ; Electron ; phonon interaction ; Polaron ; Franck ; Condon process ; Hubbard fermions ; Band structure
• 刊名：Journal of Superconductivity Incorporating Novel Magnetism
• 出版年：2016
• 出版时间：April 2016
• 年：2016
• 卷：29
• 期：4
• 页码：1063-1068
• 全文大小：1,847 KB
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• 作者单位：I. A. Makarov (1)
  E. I. Shneyder (1)
  P. A. Kozlov (1)
  S. G. Ovchinnikov (1)
  
  1. Kirensky Institute of Physics, 660036, Krasnoyarsk, Russia
  
• 刊物类别：Physics and Astronomy
• 刊物主题：Physics
  Superconductivity, Superfluidity and Quantum Fluids
  Magnetism and Magnetic Materials
  Condensed Matter
  Characterization and Evaluation Materials
  
• 出版者：Springer New York
• ISSN：1557-1947

文摘

The effect of strong electron correlations (SEC) and strong electron-phonon interaction (EPI) on the electronic structure of cuprates is studied within the polaronic version of the generalized tight binding method. Both diagonal and off-diagonal EPI in terms of ionic coordinates are considered.