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227 papers · 1 filter
The antiferromagnetic Chern insulator phase in the Kane-Mele-Hubbard model
Bao-Qing Wang, Can Shao, Takami Tohyama +2
The emergence of the antiferromagnetic (AFM) Chern insulator (AFCI) phase in the Kane-Mele-Hubbard (KMH) model with a finite sublattice potential is investigated. The AFCI, charact…
Photodynamic melting of phase-reversed charge stripes and enhanced condensation
Jianhao Sun, Richard T. Scalettar, Rubem Mondaini
The interplay between charge stripes and pairing has long been a subject of scrutiny in a broad class of unconventional superconductors, as in some cases it is unclear whether this…
Spinon Singlet Pairing: Origin of -Wave Sign Structure in a Partially-Filled Stripe
Jia-Long Wang, Shi-Jie Hu, Xue-Feng Zhang
Significant research advances have led to a consensus that the Fermi-Hubbard model and its extended variants are archetypical frameworks for elucidating the intertwined relationshi…
Breathing-Driven Metal-Insulator Transition in Correlated Kagome Systems
Qingzhuo Duan, Zixuan Jia, Zenghui Fan +4
Inspired by the recent discovery of breathing kagome materials \(\rm Nb_3Cl_8\) and \(\rm Nb_3TeCl_7\), we have explored the influence of the breathing effect on the Hubbard model…
Anyonic phase transitions in the 1D extended Hubbard model with fractional statistics
Martin Bonkhoff, Kevin Jägering, Shijie Hu +3
We study one-dimensional (1D) lattice anyons with extended Hubbard interactions at unit filling using bosonization and numerical simulations. The behavior can be continuously tuned…
Competition between -wave and +-wave superconductivity in the Hubbard model on a checkerboard lattice
Yue Pan, Runyu Ma, Chao Chen +2
By employing determinant quantum Monte Carlo simulations, we investigate a checkerboard lattice with next-nearest-neighbor hopping as the frustration-control parameter, which…