Journal ArticleRelation between chiral central charge and ground-state degeneracy in <math><mo>(</mo><mn>2</mn><mo>+</mo><mn>1</mn><mo>)</mo></math> -dimensional topological ordersKong, Liang; Wen, Xiao-Gang2020-09-0110313924Physical Review Research232643-1564https://doi.org/10.1103/PhysRevResearch.2.0333441664412National Science Foundation