Mechanism of the reorientation of stripes in the cuprates

  • Raczkowski M
  • Frésard R
  • Oleś A
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Abstract

Using slave-boson mean field theory to the Hubbard model we analyze electron correlation effects in stripe phases. We find that a finite next-nearest neighbor hopping t′ plays an important role in the low doping regime, where it controls the crossover from the filled diagonal to half-filled vertical/horizontal stripes at doping x ≃ 1/16. © 2007 Elsevier B.V. All rights reserved.

Author-supplied keywords

  • High temperature superconductors
  • Hubbard model
  • Slave-boson approach
  • Stripe phases

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Authors

  • Marcin Raczkowski

  • Raymond Frésard

  • Andrzej M. Oleś

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