{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,9,16]],"date-time":"2025-09-16T17:06:32Z","timestamp":1758042392211,"version":"3.44.0"},"reference-count":49,"publisher":"American Physical Society (APS)","issue":"9","license":[{"start":{"date-parts":[[2025,9,11]],"date-time":"2025-09-11T00:00:00Z","timestamp":1757548800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001871","name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia","doi-asserted-by":"publisher","award":["2022.02230.PTDC","UIDB\/FIS\/50010\/2020-PESTB 2020-23","CEECIND\/04050\/2021","PTDC\/FIS-PLA\/3800\/2021"],"award-info":[{"award-number":["2022.02230.PTDC","UIDB\/FIS\/50010\/2020-PESTB 2020-23","CEECIND\/04050\/2021","PTDC\/FIS-PLA\/3800\/2021"]}],"id":[{"id":"10.13039\/501100001871","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100004479","name":"Natural Science Foundation of Jiangxi Province","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100004479","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100011205","name":"East China Institute of Technology","doi-asserted-by":"publisher","award":["DHBK2023009"],"award-info":[{"award-number":["DHBK2023009"]}],"id":[{"id":"10.13039\/501100011205","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["journals.aps.org"],"crossmark-restriction":true},"short-container-title":["Phys. Rev. Accel. Beams"],"accepted":{"date-parts":[[2025,7,25]]},"abstract":"<jats:p>We show that an anomalous pinch can occur in ultrarelativistic electron-electron or positron-positron beam interaction, caused by the combined interplay of collective beam motion (disruption) and strong-field quantum electrodynamics (SF-QED). The locally created electron-positron pairs, from SF-QED effects, screen the self-fields of the beams and can invert the polarity of the Lorentz force, resulting in a pinch of the beams. A theoretical model predicts the pinch condition and is confirmed by first-principles three-dimensional particle-in-cell simulations. This anomalous pinch causes density compression, increases the collision luminosity, and amplifies the local magnetic fields and the quantum parameter of the beam particles by several orders of magnitude.<\/jats:p>","DOI":"10.1103\/9np4-tzwl","type":"journal-article","created":{"date-parts":[[2025,9,11]],"date-time":"2025-09-11T15:24:10Z","timestamp":1757604250000},"update-policy":"https:\/\/doi.org\/10.1103\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["Anomalous pinch in electron-electron beam collision"],"prefix":"10.1103","volume":"28","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4205-9732","authenticated-orcid":true,"given":"W.","family":"Zhang","sequence":"first","affiliation":[{"id":[{"id":"https:\/\/ror.org\/027385r44","id-type":"ROR","asserted-by":"publisher"}],"name":"East China University of Technology"},{"id":[{"id":"https:\/\/ror.org\/027385r44","id-type":"ROR","asserted-by":"publisher"}],"name":"East China University of Technology"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0045-389X","authenticated-orcid":true,"given":"T.","family":"Grismayer","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/03db2by73","id-type":"ROR","asserted-by":"publisher"}],"name":"Instituto Superior T\u00e9cnico, Universidade de Lisboa"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2906-924X","authenticated-orcid":true,"given":"L.\u2009O.","family":"Silva","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/03db2by73","id-type":"ROR","asserted-by":"publisher"}],"name":"Instituto Superior T\u00e9cnico, Universidade de Lisboa"}]}],"member":"16","published-online":{"date-parts":[[2025,9,11]]},"reference":[{"key":"9np4-tzwlCc2R1","doi-asserted-by":"publisher","DOI":"10.1103\/RevModPhys.93.015006","type":"journal-article"},{"key":"9np4-tzwlCc3R1","doi-asserted-by":"publisher","DOI":"10.1016\/j.revip.2021.100053","type":"journal-article"},{"key":"9np4-tzwlCc4R1","doi-asserted-by":"publisher","DOI":"10.23731\/CYRM-2022-001","type":"book","volume-title":"European Strategy for Particle Physics\u2014Accelerator R&D Roadmap","author":"N. 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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":"2025","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":"\u00a92025 The authors","name":"copyright_holder","label":"Copyright holder","group":{"name":"copyright","label":"copyright"}}],"article-number":"091001"}}