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- Title
Pairing correlation of the three-band Hubbard model with the nearest attraction.
- Authors
Zhang, Xiao; Xue, Zimu; Yang, Chen; Ma, Tianxing
- Abstract
To gain a deeper understanding of the high-temperature superconductivity in doped cuprates, the constrained-path quantum Monte Carlo method was used to explore the superconducting pairing correlation function and effective pairing interaction in the three-band Hubbard model. Our main observation was that in the low doping region, compared to other symmetries, d -wave superconducting pairing dominates. The Coulomb interaction U suppresses d -wave pairing correlation, while the effective pairing interaction is both enhanced by the increasing U and the nearest attraction. These results are used to understand the superconducting state in copper oxide high-temperature superconductors.
- Subjects
HUBBARD model; QUANTUM Monte Carlo method; COPPER oxide; STATISTICAL correlation; HIGH temperature superconductors; CUPRATES
- Publication
International Journal of Modern Physics C: Computational Physics & Physical Computation, 2023, Vol 34, Issue 12, p1
- ISSN
0129-1831
- Publication type
Article
- DOI
10.1142/S0129183123501565