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Rev. Lett."],"accepted":{"date-parts":[[2026,4,30]]},"abstract":"<jats:p>While nonreciprocal couplings are ubiquitous in classical systems, their impact on quantum many-body criticality and entanglement remains largely unexplored. Using exact numerical simulations, we study an interacting fermionic chain subject to nonreciprocal gain and loss. We show that the interplay between dissipation and interactions drives a dissipative phase transition, marked by the opening of a many-body gap and a crossover from power law to exponential relaxation. The weakly interacting regime displays nonreciprocal signatures, including nonzero currents and directional charge accumulation reminiscent of the skin effect. Notably, despite this localization, quantum trajectories exhibit volume-law entanglement. Finally, reciprocity is dynamically restored above a critical interaction strength.<\/jats:p>","DOI":"10.1103\/n8xv-kygx","type":"journal-article","created":{"date-parts":[[2026,4,30]],"date-time":"2026-04-30T14:57:51Z","timestamp":1777561071000},"update-policy":"https:\/\/doi.org\/10.1103\/crossmark-policy","source":"Crossref","is-referenced-by-count":3,"title":["Dissipative Phase Transition of Interacting Nonreciprocal Fermions"],"prefix":"10.1103","volume":"136","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0170-2808","authenticated-orcid":true,"given":"Rafael D.","family":"Soares","sequence":"first","affiliation":[{"id":[{"id":"https:\/\/ror.org\/01bf9rw71","id-type":"ROR","asserted-by":"publisher"}],"name":"Max Planck Institute for the Physics of Complex Systems"},{"id":[{"id":"https:\/\/ror.org\/04ex24z53","id-type":"ROR","asserted-by":"publisher"}],"name":"Coll\u00e8ge de 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All rights are reserved, including those for text and data mining, AI training, and similar technologies.","name":"copyright_statement","label":"Copyright statement","group":{"name":"copyright","label":"copyright"}},{"value":"2026","name":"copyright_year","label":"Copyright year","group":{"name":"copyright","label":"copyright"}},{"value":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/","name":"creative_commons_license","label":"Creative Commons license","group":{"name":"licenses","label":"Licenses"}},{"value":"\u00a92026 The authors","name":"copyright_holder","label":"Copyright holder","group":{"name":"copyright","label":"copyright"}}],"article-number":"250403"}}