Topological quantum field theory for Abelian topological phases and loop braiding statistics in -dimensions

QR Wang, M Cheng, C Wang, ZC Gu - Physical Review B, 2019 - APS
Physical Review B, 2019APS
Topological quantum field theory (TQFT) is a very powerful theoretical tool to study
topological phases and phase transitions. In 2+ 1 d, it is well known that the Chern-Simons
theory captures all the universal topological data of topological phases, eg, 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+ 1 d and it has been shown that looplike excitation obeys the so …
Topological quantum field theory (TQFT) is a very powerful theoretical tool to study topological phases and phase transitions. In , 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 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 . We will focus on Abelian topological phases for simplicity, however, the general framework developed here is not limited to Abelian topological phases.
American Physical Society
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