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Computing data for Levin-Wen with defects

Quantum Physics 2020-06-05 v3 Strongly Correlated Electrons Mathematical Physics math.MP Quantum Algebra

Abstract

We demonstrate how to do many computations for non-chiral topological phases with defects. These defects may be 1-dimensional domain walls or 0-dimensional point defects. Using Vec(S3)\operatorname{Vec}(S_3) as a guiding example, we demonstrate how domain wall fusion and associators can be computed using generalized tube algebra techniques. These domain walls can be both between distinct or identical phases. Additionally, we show how to compute all possible point defects, and the fusion and associator data of these. Worked examples, tabulated data and Mathematica code are provided.

Cite

@article{arxiv.1907.06692,
  title  = {Computing data for Levin-Wen with defects},
  author = {Jacob C. Bridgeman and Daniel Barter},
  journal= {arXiv preprint arXiv:1907.06692},
  year   = {2020}
}

Comments

17+25 pages, many tables and attached code

R2 v1 2026-06-23T10:21:34.662Z