From Three Dimensional Manifolds to Modular Tensor Categories

• URL: http://arxiv.org/abs/2101.01674v4
• Date: Tue, 23 Aug 2022 14:06:00 GMT
• Title: From Three Dimensional Manifolds to Modular Tensor Categories
• Authors: Shawn X. Cui, Yang Qiu, Zhenghan Wang
• Abstract summary: Cho, Gang, and Kim outlined a program that connects topology and quantum topology. It is conjectured that every modular tensor category can be obtained from a three manifold and a Lie group. We study this program mathematically, and provide strong support for the feasibility of such a program.
• Score: 0.7877961820015922
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Using M-theory in physics, Cho, Gang, and Kim (JHEP 2020, 115 (2020) ) recently outlined a program that connects two parallel subjects of three dimensional manifolds, namely, geometric topology and quantum topology. They suggest that classical topological invariants such as Chern-Simons invariants of $\text{SL}(2,\mathbb{C})$-flat connections and adjoint Reidemeister torsions of a three manifold can be packaged together to produce a $(2+1)$-topological quantum field theory, which is essentially equivalent to a modular tensor category. It is further conjectured that every modular tensor category can be obtained from a three manifold and a semi-simple Lie group. In this paper, we study this program mathematically, and provide strong support for the feasibility of such a program. The program produces an algorithm to generate the potential modular $T$-matrix and the quantum dimensions of a candidate modular data. The modular $S$-matrix follows from essentially a trial-and-error procedure. We find modular tensor categories that realize candidate modular data constructed from Seifert fibered spaces and torus bundles over the circle that reveal many subtleties in the program. We make a number of improvements to the program based on our computations. Our main result is a mathematical construction of a premodular category from each Seifert fibered space with three singular fibers and a family of torus bundles over the circle with Thurston SOL geometry. The premodular categories from Seifert fibered spaces are related to Temperley-Lieb-Jones categories and the ones from torus bundles over the circle are related to metaplectic categories. We conjecture that a resulting premodular category is modular if and only if the three manifold is a $\mathbb{Z}_2$-homology sphere and condensation of bosons in premodular categories leads to either modular or super-modular categories.

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