Non-Abelian string and particle braiding in topological order: Modular SL ( 3 , Z ) representation and ( 3 + 1 ) -dimensional twisted gauge theory

@article{Wang2015NonAbelianSA,
  title={Non-Abelian string and particle braiding in topological order: Modular SL ( 3 , Z ) representation and ( 3 + 1 ) -dimensional twisted gauge theory},
  author={Juven C. Wang and Xiao-Gang Wen},
  journal={Physical Review B},
  year={2015},
  volume={91},
  pages={035134}
}
String and particle braiding statistics are examined in a class of topological orders described by discrete gauge theories with a gauge group G and a 4-cocycle twist ω 4 of G 's cohomology group H 4 ( G , R / Z ) in three-dimensional space and one-dimensional time ( 3 + 1 D ) . We establish the topological spin and the spin-statistics relation for the closed strings and their multistring braiding statistics. The 3 + 1 D twisted gauge theory can be characterized by a representation of a modular… Expand
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