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2-d Fermionic SPT with CRT symmetry

Mathematical Physics 2022-12-21 v2 math.MP

Abstract

An invariant of SPT-phases with on-site finite group GG symmetry for two-dimensional Fermion systems was derived in [O]. This invariant is doubled compared to the conjectured one from the invertible quantum field theory. We show that if we require CRT-symmetry (which holds automatically in quantum field theory) in addition, then our invariant reduces to the conjectured one.

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Cite

@article{arxiv.2212.09038,
  title  = {2-d Fermionic SPT with CRT symmetry},
  author = {Yoshiko Ogata},
  journal= {arXiv preprint arXiv:2212.09038},
  year   = {2022}
}

Comments

The title is changed

R2 v1 2026-06-28T07:40:49.263Z