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Here we consider an NH system by coupling a two-dimensional semiconductor with Rashba spin\u2013orbit coupling (SOC) to a ferromagnet lead and show the emergence of highly tunable EPs along rings in momentum space. Interestingly, these exceptional degeneracies are the endpoints of lines formed by the eigenvalue coalescence at finite real energy, resembling the bulk Fermi arcs commonly defined at zero real energy. We then show that an in-plane Zeeman field provides a way to control these exceptional degeneracies although higher values of non-Hermiticity are required in contrast to the zero Zeeman field regime. Furthermore, we find that the spin projections also coalescence at the exceptional degeneracies and can acquire larger values than in the Hermitian regime. Finally, we demonstrate that the exceptional degeneracies induce large spectral weights, which can be used as a signature for their detection. Our results thus reveal the potential of systems with Rashba SOC for realizing NH bulk phenomena.<\/jats:p>","DOI":"10.1088\/1361-648x\/acc7e9","type":"journal-article","created":{"date-parts":[[2023,4,6]],"date-time":"2023-04-06T08:37:06Z","timestamp":1680770226000},"page":"254002","update-policy":"https:\/\/doi.org\/10.1088\/crossmark-policy","source":"Crossref","is-referenced-by-count":19,"title":["Exceptional degeneracies in non-Hermitian Rashba semiconductors"],"prefix":"10.1088","volume":"35","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6037-6243","authenticated-orcid":true,"given":"Jorge","family":"Cayao","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"266","published-online":{"date-parts":[[2023,4,6]]},"reference":[{"key":"cmacc7e9bib1","doi-asserted-by":"publisher","first-page":"11","DOI":"10.1038\/nphys4323","article-title":"Non-hermitian physics and pt symmetry","volume":"14","author":"El-Ganainy","year":"2018","journal-title":"Nat. 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