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@ARTICLE{Ambrosino:645036,
      author       = {Ambrosino, Federico and Runkel, Ingo and M. T. Watts,
                      Gérard},
      title        = {{T}ranslation invariant defects as an extension of
                      topological symmetries},
      journal      = {International journal of modern physics / A},
      volume       = {0},
      issn         = {0217-751X},
      address      = {Singapur},
      publisher    = {World Scientific Publ.},
      reportid     = {PUBDB-2026-00559},
      pages        = {2648001},
      year         = {2026},
      abstract     = {The modern way to understand symmetries of a quantum field
                      theory is via its topological defects in various dimensions.
                      In this contribution to the proceedings, we focus on line
                      defects in 2dQFT and we point out that topological defects
                      naturally embed into a larger class, namely, translation
                      invariant defects. The latter still allow for nonsingular
                      fusion and one obtains a monoidal category of translation
                      invariant defects which contains that of topological defects
                      as a full subcategory. We give a simple perturbative
                      description of translation invariant defects in a perturbed
                      conformal field theory via chiral three-dimensional
                      topological field theory. We show in the example of the
                      Ising CFT and the Lee–Yang CFT that even if no topological
                      defects survive the deformation, some translation invariant
                      defects still do.},
      cin          = {T},
      ddc          = {530},
      cid          = {I:(DE-H253)T-20120731},
      pnm          = {DFG project G:(GEPRIS)390833306 - EXC 2121: Das
                      Quantisierte Universum II (390833306) / DFG project
                      G:(GEPRIS)506632645 - SFB 1624: Höhere Strukturen,
                      Modulräume und Integrabilität (506632645) / 611 -
                      Fundamental Particles and Forces (POF4-611)},
      pid          = {G:(GEPRIS)390833306 / G:(GEPRIS)506632645 /
                      G:(DE-HGF)POF4-611},
      experiment   = {EXP:(DE-MLZ)NOSPEC-20140101},
      typ          = {PUB:(DE-HGF)16},
      doi          = {10.1142/S0217751X26480015},
      url          = {https://bib-pubdb1.desy.de/record/645036},
}