3 papers
cond-mat.str-el2026
Resolving Quantum Criticality in the Honeycomb Hubbard Model
Fo-Hong Wang, Fanjie Sun, Chenghao He +1
Quantum phase transitions driven by electronic correlations are central to understanding the physics of graphene and related two-dimensional materials. A paradigmatic example is th…
cond-mat.str-el2025
Delay Update in determinant quantum Monte Carlo
Fanjie Sun, Xiao Yan Xu
Determinant quantum Monte Carlo (DQMC) is a widely used unbiased numerical method for simulating strongly correlated electron systems. However, the update process in DQMC is often…
cond-mat.str-el2025
Boosting Determinant Quantum Monte Carlo with Submatrix Updates: Unveiling the Phase Diagram of the 3D Hubbard Model
Fanjie Sun, Xiao Yan Xu
Determinant Quantum Monte Carlo (DQMC) provides numerically exact solutions for strongly correlated fermionic systems but faces significant computational challenges with increasing…