Charge Dynamics of Doped Holes in High Tc Cuprate Superconductors: A Clue from Optical Conductivity

A. S. Mishchenko, N. Nagaosa, Z.-X. Shen, G. De Filippis, V. Cataudella, T. P. Devereaux, C. Bernhard, K. W. Kim, and J. Zaanen
Phys. Rev. Lett. 100, 166401 – Published 24 April 2008

Abstract

The charge dynamics in weakly hole doped high temperature superconductors is studied in terms of the accurate numerical solution to a model of a single hole interacting with a quantum lattice in an antiferromagnetic background, and accurate far-infrared ellipsometry measurements. The experimentally observed two electronic bands in the infrared spectrum can be identified in terms of the interplay between the electron correlation and electron-phonon interaction resolving the long standing mystery of the midinfrared band.

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  • Received 7 December 2007

DOI:https://doi.org/10.1103/PhysRevLett.100.166401

©2008 American Physical Society

Authors & Affiliations

A. S. Mishchenko1,2, N. Nagaosa1,3, Z.-X. Shen4, G. De Filippis5, V. Cataudella5, T. P. Devereaux6,4, C. Bernhard7, K. W. Kim7, and J. Zaanen8

  • 1Cross-Correlated Materials Research Group (CMRG), ASI, RIKEN, Wako 351-0198, Japan
  • 2RRC “Kurchatov Institute,” 123182, Moscow, Russia
  • 3Department of Applied Physics, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113, Japan
  • 4Department of Physics, Applied Physics, and Stanford Synchrotron Radiation Laboratory, Stanford University, Stanford, California 94305, USA
  • 5Coherentia-CNR-INFM and Dipartamento di Scienze Fisiche–Università di Napoli Federico II–I-80126 Napoli, Italy
  • 6Department of Physics, University of Waterloo, Ontario, Canada N2L 3GI
  • 7Department of Physics and Fribourg Center for Nanomaterials, University of Fribourg, CH-1700 Fribourg, Switzerland
  • 8Instituut Lorentz for Theoretical Physics, Leiden University, POB 9506, 2300 RA Leiden, The Netherlands

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Vol. 100, Iss. 16 — 25 April 2008

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