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Dominant superconducting pairing symmetry in doped staggered-flux Hubbard model on a square lattice

Author

Listed:
  • Zhuoya Yu

    (Department of Physics, Beijing Normal University, Beijing 100875, P. R. China)

  • Jiabao Wang

    (Department of Physics, Beijing Normal University, Beijing 100875, P. R. China)

  • Lingyu Tian

    (Department of Physics, Beijing Normal University, Beijing 100875, P. R. China)

  • Qiaoni Chen

    (Department of Physics, Beijing Normal University, Beijing 100875, P. R. China)

  • Ying Liang

    (Department of Physics, Beijing Normal University, Beijing 100875, P. R. China)

  • Tianxing Ma

    (Department of Physics, Beijing Normal University, Beijing 100875, P. R. China)

Abstract

A constrained path quantum Monte Carlo simulation is performed to investigate the superconducting pairing correlation in doped staggered-flux Hubbard model on a square lattice, which is an interesting platform to host Dirac fermions. For various electron fillings and interaction strengths, the dxy pairing dominates over other pairing forms since its long-range correlation is larger over mostly distances. We deepen our study by including the nearest-neighbor interaction V and found the dxy pairing correlation is slightly suppressed by increasing V.

Suggested Citation

  • Zhuoya Yu & Jiabao Wang & Lingyu Tian & Qiaoni Chen & Ying Liang & Tianxing Ma, 2021. "Dominant superconducting pairing symmetry in doped staggered-flux Hubbard model on a square lattice," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 32(07), pages 1-8, July.
    • Handle: RePEc:wsi:ijmpcx:v:32:y:2021:i:07:n:s0129183121500893
    DOI: 10.1142/S0129183121500893
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