{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,20]],"date-time":"2026-02-20T01:21:36Z","timestamp":1771550496751,"version":"3.50.1"},"reference-count":25,"publisher":"IOP Publishing","issue":"1","license":[{"start":{"date-parts":[[2024,12,6]],"date-time":"2024-12-06T00:00:00Z","timestamp":1733443200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2024,12,6]],"date-time":"2024-12-06T00:00:00Z","timestamp":1733443200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/iopscience.iop.org\/info\/page\/text-and-data-mining"}],"funder":[{"name":"Swiss State Secretariat for Education"},{"DOI":"10.13039\/100019784","name":"EUROfusion","doi-asserted-by":"crossref","award":["101052200"],"award-info":[{"award-number":["101052200"]}],"id":[{"id":"10.13039\/100019784","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":["iopscience.iop.org"],"crossmark-restriction":false},"short-container-title":["Nucl. Fusion"],"published-print":{"date-parts":[[2025,1,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>The I-phase is an H-mode confinement regime of tokamaks characterized by limit cycle oscillations, the so-called LCOs or bursts. These bursts are the manifestation of a periodic flattening of the plasma edge pressure profile. The profile flattening is caused by increased radial transport, driven by a high-frequency plasma edge mode that periodically appears. This short-living mode is intrinsically connected to each burst. It vanishes once the profiles are fully flattened, and it reestablishes during profile recovery once critical gradients are reached and a new cycle begins. In this paper, we describe for the first time the unambiguous presence of the I-phase at the tokamak \u00e0 configuration variable (TCV). As the I-phase confinement regime is found in the parameter regime between the L-mode and the fully developed H-mode, it is often confused with dithers between H-mode and L-mode. Therefore, we are highlighting the differences between these two phenomena. Furthermore, we show the two-dimensional dynamics of the I-phase mode and bursts and the associated filamentary transport, enabled by the outstanding capabilities of the 2D TCV Gas Puff Imaging diagnostics.<\/jats:p>","DOI":"10.1088\/1741-4326\/ad96cb","type":"journal-article","created":{"date-parts":[[2024,11,25]],"date-time":"2024-11-25T22:50:01Z","timestamp":1732575001000},"page":"016041","update-policy":"https:\/\/doi.org\/10.1088\/crossmark-policy","source":"Crossref","is-referenced-by-count":4,"title":["Characterization of the I-phase regime at TCV"],"prefix":"10.1088","volume":"65","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2953-536X","authenticated-orcid":true,"given":"M.","family":"Griener","sequence":"first","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7548-2452","authenticated-orcid":true,"given":"C.","family":"W\u00fcthrich","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0009-0004-5888-2277","authenticated-orcid":true,"given":"Y.","family":"Wang","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8647-7058","authenticated-orcid":true,"given":"D.","family":"Brida","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9809-7490","authenticated-orcid":true,"given":"M.","family":"Faitsch","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0534-1993","authenticated-orcid":true,"given":"N.","family":"Offeddu","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3926-1374","authenticated-orcid":true,"given":"C.","family":"Theiler","sequence":"additional","affiliation":[]},{"name":"the TCV Team","sequence":"additional","affiliation":[]},{"name":"the EUROfusion Tokamak Exploitation Team","sequence":"additional","affiliation":[]}],"member":"266","published-online":{"date-parts":[[2024,12,6]]},"reference":[{"key":"nfad96cbbib1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevLett.106.065001","volume":"106","author":"Conway","year":"2011","journal-title":"Phys. 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