3 papers
cond-mat.quant-gas2026
Double-exchange ferromagnetism of fermionic atoms in a -orbital hexagonal lattice
Haoran Sun, Erhai Zhao, Youjin Deng +1
A large class of correlated quantum materials feature strong Hund's coupling. Yet cold-atom quantum simulators have so far focused primarily on single-orbital Fermi-Hubbard systems…
cond-mat.quant-gas2025
Homogeneous fermionic Hubbard gases in a flat-top optical lattice
Yu-Xuan Wang, Hou-Ji Shao, Yan-Song Zhu +6
Fermionic atoms in a large-scale, homogeneous optical lattice provide an ideal quantum simulator for investigating the fermionic Hubbard model, yet achieving this remains challengi…
cond-mat.quant-gas2024
Observation of the antiferromagnetic phase transition in the fermionic Hubbard model
Hou-Ji Shao, Yu-Xuan Wang, De-Zhi Zhu +9
The fermionic Hubbard model (FHM)[1], despite its simple form, captures essential features of strongly correlated electron physics. Ultracold fermions in optical lattices[2, 3] pro…