4.6 Article

Enhancement of superconductivity by frustrating the charge order

Journal

PHYSICAL REVIEW B
Volume 100, Issue 24, Pages -

Publisher

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.100.245105

Keywords

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Funding

  1. U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, Materials Sciences and Engineering Division [DE-AC02-05-CH11231, KC2301]
  2. Gordon and Betty Moore Foundation's EPIC initiative [GBMF4545]
  3. National Science Foundation [DMR-1508412]
  4. U.S. Department of Energy, Office of Science, Office of Advanced Scientific Computing Research, Scientific Discovery through Advanced Computing (SciDAC) program

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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-T-c 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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