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Phys."],"published-print":{"date-parts":[[2026,10]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>The theory of generalized symmetries has recently clarified how twisted sectors resolve the Callan\u2013Rubakov paradox, where scattering of a charged particle by a magnetic monopole appeared to violate conservation laws. Here we study a more general setting of wavepackets that propagate across topological interfaces in quantum spin systems exhibiting non-invertible symmetries and across duality defects coupling dual theories. In these scenarios, we find that the transmission is always perfect and a particle traversing the interface is converted into a non-local string-like excitation. We give a systematic way of constructing such a defect by identifying its Hilbert space with the virtual bond dimension of the matrix product operator representing defect lines. Our work provides a precise characterization of topological interfaces in perfect transmission phenomena and yields a lattice analogue of the solution to the monopole paradox in quantum field theory.<\/jats:p>","DOI":"10.1038\/s41567-026-03390-5","type":"journal-article","created":{"date-parts":[[2026,8,7]],"date-time":"2026-08-07T09:02:20Z","timestamp":1786093340000},"page":"1684-1690","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Perfect particle transmission through duality defects"],"prefix":"10.1038","volume":"22","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1884-6808","authenticated-orcid":false,"given":"Atsushi","family":"Ueda","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0005-4051-4166","authenticated-orcid":false,"given":"Vic","family":"Vander Linden","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0005-8138-357X","authenticated-orcid":false,"given":"Boris","family":"De Vos","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1364-4863","authenticated-orcid":false,"given":"Laurens","family":"Lootens","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jutho","family":"Haegeman","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7747-0153","authenticated-orcid":false,"given":"Paul","family":"Fendley","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0270-5592","authenticated-orcid":false,"given":"Frank","family":"Verstraete","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2026,8,7]]},"reference":[{"key":"3390_CR1","doi-asserted-by":"crossref","first-page":"2141","DOI":"10.1103\/PhysRevD.25.2141","volume":"25","author":"CG Callan Jr.","year":"1982","unstructured":"Callan, C. 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