{"created":"2023-06-20T15:16:31.079075+00:00","id":10253,"links":{},"metadata":{"_buckets":{"deposit":"0566f50a-580c-4bd9-9a25-1e3d77204f68"},"_deposit":{"created_by":3,"id":"10253","owners":[3],"pid":{"revision_id":0,"type":"depid","value":"10253"},"status":"published"},"_oai":{"id":"oai:nifs-repository.repo.nii.ac.jp:00010253","sets":["8:32"]},"author_link":["64472","64471"],"item_5_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2005-01-01","bibliographicIssueDateType":"Issued"},"bibliographic_titles":[{},{"bibliographic_title":"Research Report NIFS-Series","bibliographic_titleLang":"en"}]}]},"item_5_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"\"Theory for describing collisionless long-time behavior of zonal flows in helical systems is presented and its validity is verified by gyrokinetic-Vlasov simulation. It is shown that, under the influence of particles trapped in helical ripples, the response of zonal flows to a given source becomes weaker for longer radial wave numbers and deeper helical ripples while a high-level zonal-flow response, which is not affected by helical-ripple-trapped particles, can be maintained for a longer time by reducing their bounce-averaged radial drift velocity. This implies a possibility that helical configurations optimized for reducing neoclassical ripple transport can simultaneously enhance zonal flows which lower anomalous transport.\"","subitem_description_type":"Abstract"}]},"item_5_source_id_10":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"0915-633X","subitem_source_identifier_type":"ISSN"}]},"item_5_text_8":{"attribute_name":"報告書番号","attribute_value_mlt":[{"subitem_text_value":"NIFS-807"}]},"item_access_right":{"attribute_name":"アクセス権","attribute_value_mlt":[{"subitem_access_right":"metadata only access","subitem_access_right_uri":"http://purl.org/coar/access_right/c_14cb"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"\"Sugama,  H.","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Watanabe,  T.-H.\"","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"zonal flow","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"helical system","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"gyrokinetics","subitem_subject_language":"en","subitem_subject_scheme":"Other"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"eng"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"research report","resourceuri":"http://purl.org/coar/resource_type/c_18ws"}]},"item_title":"Dynamics of Zonal Flows in Helical Systems","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Dynamics of Zonal Flows in Helical Systems","subitem_title_language":"en"}]},"item_type_id":"5","owner":"3","path":["32"],"pubdate":{"attribute_name":"公開日","attribute_value":"2010-02-05"},"publish_date":"2010-02-05","publish_status":"0","recid":"10253","relation_version_is_last":true,"title":["Dynamics of Zonal Flows in Helical Systems"],"weko_creator_id":"3","weko_shared_id":-1},"updated":"2023-06-20T20:52:02.740491+00:00"}