English

Local normality of infravacua and relative normalizers for relativistic systems

Mathematical Physics 2022-04-27 v1 math.MP

Abstract

We revisit the problem of local normality of Kraus-Polley-Reents infravacuum representations and provide a straightforward proof based on the Araki-Yamagami criterion. We apply this result to the theory of superselection sectors. Namely, we extend the novel formalism of second conjugate classes and relative normalizers to the local relativistic setting.

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Cite

@article{arxiv.2106.02032,
  title  = {Local normality of infravacua and relative normalizers for relativistic systems},
  author = {Bartosz Biadasiewicz and Wojciech Dybalski},
  journal= {arXiv preprint arXiv:2106.02032},
  year   = {2022}
}

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13 pages