@inproceedings{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", booktitle = "Proceedings of 37th International Symposium on Lattice Field Theory {\textemdash} PoS(LATTICE2019)", year = 2020, volume = "363", pages = "222" }