3 papers
cond-mat.str-el2026
Symmetric Mass Generation Transition and its Nonequilibrium Critical Dynamics in a Bilayer Honeycomb Lattice Model
Zhi-Xuan Li, Yin-Kai Yu, Zi-Xiang Li +1
Symmetric mass generation (SMG) transitions defy the conventional Landau-Ginzburg-Wilson paradigm by opening a many-body gap without spontaneous symmetry breaking or topological or…
cond-mat.str-el2025
Magnetic order and novel quantum criticality in the strongly interacting quasicrystals
Cong Zhang, Yin-Kai Yu, Shao-Hang Shi +1
We present the sign-problem-free quantum Monte Carlo study of the half-filled Hubbard model on two-dimensional quasicrystals, revealing how specific aperiodic geometries fundamenta…
cond-mat.str-el2024
Preempting Fermion Sign Problem: Unveiling Quantum Criticality through Nonequilibrium Dynamics in Imaginary Time
Yin-Kai Yu, Zhi-Xuan Li, Shuai Yin +1
The notorious fermion sign problem, arising from fermion statistics, presents a fundamental obstacle to the numerical simulation of quantum many-body systems. Here, we introduce a…