Dual Nature of the Electronic Structure of (La2-x-yNdySrx)CuO4 and La1.85Sr0.15CuO4

Phys. Rev. Lett. 86, 5578 – Published 11 June 2001
X. J. Zhou, T. Yoshida, S. A. Kellar, P. V. Bogdanov, E. D. Lu, A. Lanzara, M. Nakamura, T. Noda, T. Kakeshita, H. Eisaki, S. Uchida, A. Fujimori, Z. Hussain, and Z.-X. Shen


High resolution angle-resolved photoemission measurements have been carried out on (La1.4-x-Nd0.6Srx)CuO4, a model system with static one-dimensional (1D) charge ordering (stripe), and (La1.85-Sr0.15)CuO4, a high temperature superconductor (Tc=40 K) with possible dynamic stripes. In addition to the straight segments near ( π,0) and ( 0,π) antinodal regions, we have identified the existence of spectral weight along the [1,1] nodal direction in the electronic structure of both systems. This observation of nodal state, together with the straight segments near antinodal regions, reveals the dual nature of the electronic structure of stripes due to the competition of order and disorder.

DOI: http://dx.doi.org/10.1103/PhysRevLett.86.5578

  • Received 31 August 2000
  • Published in the issue dated 11 June 2001

© 2001 The American Physical Society

Authors & Affiliations

X. J. Zhou1,2, T. Yoshida3, S. A. Kellar1, P. V. Bogdanov1, E. D. Lu2, A. Lanzara1,2, M. Nakamura2, T. Noda4, T. Kakeshita4, H. Eisaki4, S. Uchida4, A. Fujimori3, Z. Hussain2, and Z.-X. Shen1

  • 1Department of Physics, Applied Physics and Stanford Synchrotron Radiation Laboratory, Stanford University, Stanford, California 94305
  • 2Advanced Light Source, Lawrence Berkeley National Lab, Berkeley, California 94720
  • 3Department of Physics, University of Tokyo, Bunkyo-ku, Tokyo 113, Japan
  • 4Department of Superconductivity, University of Tokyo, Bunkyo-ku, Tokyo 113, Japan

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