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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},
}