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PhysRevLett.132.235101.pdf963.66 kBAdobe PDF見る/開く
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dc.contributor.authorKinoshita, T.en
dc.contributor.authorTanaka, K.en
dc.contributor.authorIshizawa, A.en
dc.contributor.authorSakai, H.en
dc.contributor.authorNunami, M.en
dc.contributor.authorOhtani, Y.en
dc.contributor.authorYamada, H.en
dc.contributor.authorSato, M.en
dc.contributor.authorNakata, M.en
dc.contributor.authorTokuzawa, T.en
dc.contributor.authorYasuhara, R.en
dc.contributor.authorTakemura, Y.en
dc.contributor.authorYamada, I.en
dc.contributor.authorFunaba, H.en
dc.contributor.authorIda, K.en
dc.contributor.authorYoshinuma, M.en
dc.contributor.authorTsujimura, T.en
dc.contributor.authorSeki, R.en
dc.contributor.authorIchiguchi, K.en
dc.contributor.authorMichael, C. A.en
dc.contributor.alternative木下, 稔基 ja
dc.contributor.alternative田中, 謙治ja
dc.contributor.alternative石澤, 明宏ja
dc.contributor.alternative堺, 弘行ja
dc.contributor.alternative沼波, 政倫ja
dc.contributor.alternative大谷, 芳明ja
dc.contributor.alternative山田, 弘司ja
dc.contributor.alternative佐藤, 雅彦ja
dc.contributor.alternative仲田, 資季ja
dc.contributor.alternative徳澤, 季彦ja
dc.contributor.alternative安原, 亮ja
dc.contributor.alternative武村, 勇輝ja
dc.contributor.alternative山田, 一博ja
dc.contributor.alternative舟場, 久芳ja
dc.contributor.alternative居田, 克巳ja
dc.contributor.alternative吉沼, 幹朗ja
dc.contributor.alternative關, 良輔ja
dc.contributor.alternative市⼝, 勝治ja
dc.date.accessioned2024-09-09T07:36:53Z-
dc.date.available2024-09-09T07:36:53Z-
dc.date.issued2024-06-
dc.identifier.urihttp://hdl.handle.net/2433/289478-
dc.description核融合プラズマの新たな乱流遷移を発見 --核融合炉の革新的な運転シナリオの確立へ--. 京都大学プレスリリース. 2024-06-10.ja
dc.description.abstractIn this study, we discovered a turbulence transition in a large helical device. The turbulence level and turbulence-driven energy transport decrease to a specific transition density and increase above it. The ruling turbulences below and above the transition density were ion-temperature gradient (ITG) and resistive-interchange (RI) turbulences, consistent with the predictions of gyrokinetic theory and two-fluid MHD model, respectively. Isotope experiments on hydrogen (H) and deuterium (D) clarified the role of transitions. In the ITG regime, turbulence levels and energy transport were comparable in the H and D plasmas. In contrast, in the RI regime, they were clearly suppressed in the D plasma. The results provide crucial knowledge for understanding isotope effects and future optimization of stellarator and heliotron devices.en
dc.language.isoeng-
dc.publisherAmerican Physical Society (APS)en
dc.rightsPublished by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.en
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/-
dc.subjectMagnetic confinement fusionen
dc.subjectPlasma fusionen
dc.subjectPlasma turbulenceen
dc.subjectTurbulence controlen
dc.subjectMagnetically confined plasmasen
dc.subjectStellarators & toroidal confinement devicesen
dc.subjectPlasma Physicsen
dc.titleTurbulence Transition in Magnetically Confined Hydrogen and Deuterium Plasmasen
dc.typejournal article-
dc.type.niitypeJournal Article-
dc.identifier.jtitlePhysical Review Lettersen
dc.identifier.volume132-
dc.identifier.issue23-
dc.relation.doi10.1103/physrevlett.132.235101-
dc.textversionpublisher-
dc.identifier.artnum235101-
dc.addressResearch Institute for Applied Mechanics, Kyushu Universityen
dc.addressInterdisciplinary Graduate School of Engineering Sciences, Kyushu University; National Institute for Fusion Science, National Institutes on Natural Sciencesen
dc.addressGraduate School of Energy Science Kyoto Universityen
dc.addressInterdisciplinary Graduate School of Engineering Sciences, Kyushu Universityen
dc.addressNational Institute for Fusion Science, National Institutes on Natural Sciences; Graduate School of Science, Nagoya Universityen
dc.addressNational Institutes for Quantum and Radiological Science and Technologyen
dc.addressGraduate School of Frontier Sciences, The University of Tokyoen
dc.addressNational Institute for Fusion Science, National Institutes on Natural Sciencesen
dc.addressNational Institute for Fusion Science, National Institutes on Natural Sciences; The Graduate University for Advanced Studiesen
dc.addressNational Institute for Fusion Science, National Institutes on Natural Sciences; The Graduate University for Advanced Studiesen
dc.addressNational Institute for Fusion Science, National Institutes on Natural Sciences; The Graduate University for Advanced Studiesen
dc.addressNational Institute for Fusion Science, National Institutes on Natural Sciences; The Graduate University for Advanced Studiesen
dc.addressNational Institute for Fusion Science, National Institutes on Natural Sciencesen
dc.addressNational Institute for Fusion Science, National Institutes on Natural Sciencesen
dc.addressNational Institute for Fusion Science, National Institutes on Natural Sciences; The Graduate University for Advanced Studiesen
dc.addressNational Institute for Fusion Science, National Institutes on Natural Sciences; The Graduate University for Advanced Studiesen
dc.addressNational Institute for Fusion Science, National Institutes on Natural Sciences; The Graduate University for Advanced Studiesen
dc.addressNational Institute for Fusion Science, National Institutes on Natural Sciences; The Graduate University for Advanced Studiesen
dc.addressNational Institute for Fusion Science, National Institutes on Natural Sciences; The Graduate University for Advanced Studiesen
dc.addressDepartment of Physics and Astronomy, University of Californiaen
dc.identifier.pmid38905665-
dc.relation.urlhttps://www.kyoto-u.ac.jp/ja/research-news/2024-06-10-
dcterms.accessRightsopen access-
datacite.awardNumber21J12314-
datacite.awardNumber16H04620-
datacite.awardNumber21H04458-
datacite.awardNumber.urihttps://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-21J12314/-
datacite.awardNumber.urihttps://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-16H04620/-
datacite.awardNumber.urihttps://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-21H04458/-
dc.identifier.pissn0031-9007-
dc.identifier.eissn1079-7114-
jpcoar.funderName日本学術振興会ja
jpcoar.funderName日本学術振興会ja
jpcoar.funderName日本学術振興会ja
jpcoar.awardTitle装置間比較を通じた磁場閉じ込め高温プラズマの同位体効果の解明ja
jpcoar.awardTitleマイクロ波協同トムソン散乱計測の高性能化によるイオン閉じ込めと損失機構の解明ja
jpcoar.awardTitle核融合原型炉同等条件下における先進レーザー計測を用いた乱流駆動輸送研究の新展開ja
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