257 citations · 1.4k across the 68 of their papers we have counts for
4 papers · 1 filter
Simulation of Fermionic and Bosonic Critical Points with Emergent SO(5) Symmetry
Toshihiro Sato, Zhenjiu Wang, Yuhai Liu +4
We introduce a model of Dirac fermions in 2+1 dimensions with a semimetallic, a quantum spin-Hall insulating (QSHI), and an s-wave superconducting (SSC) phase. The phase diagram fe…
Bulk and Surface Critical Behaviors of quantum Heisenberg antiferromagnet on a two-dimensional coupled diagonal ladders
Zhe Wang, Fan Zhang, Wenan Guo
Using Quantum Monte Carlo simulations, we study the spin-1/2 Heisenberg model on a two-dimensional lattice formed by coupling diagonal ladders. The model hosts an antiferromagnetic…
Bandwidth controlled quantum phase transition between an easy-plane quantum spin Hall state and an s-wave superconductor
Disha Hou, Yuhai Liu, Toshihiro Sato +3
The quantum spin Hall state can be understood in terms of spontaneous O(3) symmetry breaking. Topological skyrmion configurations of the O(3) order parameter vector carry a charge…
Surface critical properties of the three-dimensional clock model
Xuan Zou, Shuo Liu, Wenan Guo
Using Monte Carlo simulations and finite-size scaling analysis, we show that the -state clock model with on the simple cubic lattice with open surfaces has a rich phase di…