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Enhancement of superconductivity by frustrating the charge order

  • Author(s): Li, ZX
  • Cohen, ML
  • Lee, DH
  • et al.
Abstract

© 2019 American Physical Society. We study strong electron-phonon interacting systems where the geometry of the crystalline lattice frustrates the formation of charge order. Our results show that under such condition, high-Tc superconductivity can occur in a wide range of electron-phonon coupling strengths. This result is obtained by studying the Holstein model on triangular lattice using sign-problem-free quantum Monte Carlo method.

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