@article{Liu:2020S4,
  author = "Liu, Hanqing  and  Chandrasekharan, Shailesh  and  Kaul, Ribhu",
  title = "{Quantum Critical Phenomena in an $O(4)$ Fermion Chain}",
  doi = "10.22323/1.363.0222",
  journal = "PoS",
  year = 2020,
  volume = "LATTICE2019",
  pages = "222"
}