期刊
PHYSICAL REVIEW B
卷 99, 期 23, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.99.235137
关键词
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资金
- Chinese University of Hong Kong [4053300]
- Hong Kong's Research Grants Council (GRF) [14306918]
- City University of Hong Kong [9610398]
- Research Grant Council of Hong Kong [ECS HKU21301018]
Topological quantum field theory (TQFT) is a very powerful theoretical tool to study topological phases and phase transitions. In 2 + 1d, it is well known that the Chern-Simons theory captures all the universal topological data of topological phases, e.g., quasiparticle braiding statistics, chiral central charge, and even provides us a deep insight for the nature of topological phase transitions. Recently, topological phases of quantum matter are also intensively studied in 3 + 1d and it has been shown that looplike excitation obeys the so-called three-loop-braiding statistics. In this paper, we will try to establish a TQFT framework to understand the quantum statistics of particle and looplike excitation in 3 + 1d. We will focus on Abelian topological phases for simplicity, however, the general framework developed here is not limited to Abelian topological phases.
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