{"created":"2025-02-21T04:28:14.231073+00:00","id":2008585,"links":{},"metadata":{"_buckets":{"deposit":"82a2e5a7-6aa8-4e1a-aea7-347de5d86b3b"},"_deposit":{"created_by":41,"id":"2008585","owners":[41],"pid":{"revision_id":0,"type":"depid","value":"2008585"},"status":"published"},"_oai":{"id":"oai:hiroshima.repo.nii.ac.jp:02008585","sets":["1730444907710"]},"author_link":[],"item_1617186331708":{"attribute_name":"Title","attribute_value_mlt":[{"subitem_title":"Chiral Orbital-Angular Momentum in the Surface States of Bi2Se3","subitem_title_language":"en"}]},"item_1617186419668":{"attribute_name":"Creator","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Park, Seung Ryong","creatorNameLang":"en"}],"familyNames":[{"familyName":"Park","familyNameLang":"en"}],"givenNames":[{"givenName":"Seung Ryong","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"Han, Jinhee","creatorNameLang":"en"}],"familyNames":[{"familyName":"Han","familyNameLang":"en"}],"givenNames":[{"givenName":"Jinhee","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"Kim, Chul","creatorNameLang":"en"}],"familyNames":[{"familyName":"Kim","familyNameLang":"en"}],"givenNames":[{"givenName":"Chul","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"Koh, Yoon Young","creatorNameLang":"en"}],"familyNames":[{"familyName":"Koh","familyNameLang":"en"}],"givenNames":[{"givenName":"Yoon Young","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"Kim, Changyoung","creatorNameLang":"en"}],"familyNames":[{"familyName":"Kim","familyNameLang":"en"}],"givenNames":[{"givenName":"Changyoung","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"Lee, Hyungjun","creatorNameLang":"en"}],"familyNames":[{"familyName":"Lee","familyNameLang":"en"}],"givenNames":[{"givenName":"Hyungjun","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"Choi, Hyoung Joon","creatorNameLang":"en"}],"familyNames":[{"familyName":"Choi","familyNameLang":"en"}],"givenNames":[{"givenName":"Hyoung Joon","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"Han, Jung Hoon","creatorNameLang":"en"}],"familyNames":[{"familyName":"Han","familyNameLang":"en"}],"givenNames":[{"givenName":"Jung Hoon","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"Lee, Kyung Dong","creatorNameLang":"en"}],"familyNames":[{"familyName":"Lee","familyNameLang":"en"}],"givenNames":[{"givenName":"Kyung Dong","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"Hur, Nam Jung","creatorNameLang":"en"}],"familyNames":[{"familyName":"Hur","familyNameLang":"en"}],"givenNames":[{"givenName":"Nam Jung","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"Arita, Masashi","creatorNameLang":"en"}],"familyNames":[{"familyName":"Arita","familyNameLang":"en"}],"givenNames":[{"givenName":"Masashi","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"Shimada, Kenya","creatorNameLang":"en"}],"familyNames":[{"familyName":"Shimada","familyNameLang":"en"}],"givenNames":[{"givenName":"Kenya","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"Namatame, Hirofumi","creatorNameLang":"en"}],"familyNames":[{"familyName":"Namatame","familyNameLang":"en"}],"givenNames":[{"givenName":"Hirofumi","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"Taniguchi, Masaki","creatorNameLang":"en"}],"familyNames":[{"familyName":"Taniguchi","familyNameLang":"en"}],"givenNames":[{"givenName":"Masaki","givenNameLang":"en"}]}]},"item_1617186476635":{"attribute_name":"Access Rights","attribute_value_mlt":[{"subitem_access_right":"open access","subitem_access_right_uri":"http://purl.org/coar/access_right/c_abf2"}]},"item_1617186499011":{"attribute_name":"Rights","attribute_value_mlt":[{"subitem_rights":"(c) 2012 American Physical Society"}]},"item_1617186609386":{"attribute_name":"Subject","attribute_value_mlt":[{"subitem_subject":"420","subitem_subject_scheme":"NDC"}]},"item_1617186626617":{"attribute_name":"Description","attribute_value_mlt":[{"subitem_description":"We performed angle-resolved photoemission (ARPES) experiments with circularly polarized light and first-principles density functional calculation with spin-orbit coupling to study surface states of a topological insulator Bi2Se3. We observed circular dichroism (CD) as large as 30% in the ARPES data with upper and lower Dirac cones showing opposite signs in CD. The observed CD is attributed to the existence of local orbital-angular momentum (OAM). First-principles calculation shows that OAM in the surface states is significant and is locked to the electron momentum in the opposite direction to the spin, forming chiral OAM states. Our finding opens a new possibility for strong light-induced spin-polarized current in surface states. We also provide a proof for local OAM origin of the CD in ARPES.","subitem_description_language":"en"}]},"item_1617186643794":{"attribute_name":"Publisher","attribute_value_mlt":[{"subitem_publisher":"American Physical Society"}]},"item_1617186702042":{"attribute_name":"Language","attribute_value_mlt":[{"subitem_language":"eng"}]},"item_1617186920753":{"attribute_name":"Source Identifier","attribute_value_mlt":[{"subitem_source_identifier":"0031-9007","subitem_source_identifier_type":"ISSN"},{"subitem_source_identifier":"AA00773679","subitem_source_identifier_type":"NCID"}]},"item_1617187024783":{"attribute_name":"Page Start","attribute_value_mlt":[{"subitem_start_page":"046805"}]},"item_1617187056579":{"attribute_name":"Bibliographic Information","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2012","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"4","bibliographicPageStart":"046805","bibliographicVolumeNumber":"108","bibliographic_titles":[{"bibliographic_title":"Physical Review Letters"},{"bibliographic_title":"Physical Review Letters"}]}]},"item_1617258105262":{"attribute_name":"Resource Type","attribute_value_mlt":[{"resourcetype":"journal article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_1617265215918":{"attribute_name":"Version Type","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_970fb48d4fbd8a85","subitem_version_type":"VoR"}]},"item_1617353299429":{"attribute_name":"Relation","attribute_value_mlt":[{"subitem_relation_type_id":{"subitem_relation_type_id_text":"10.1103/PhysRevLett.108.046805","subitem_relation_type_select":"DOI"}},{"subitem_relation_type_id":{"subitem_relation_type_id_text":"http://dx.doi.org/10.1103/PhysRevLett.108.046805","subitem_relation_type_select":"DOI"}}]},"item_1617605131499":{"attribute_name":"File","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_access","date":[{"dateType":"Available","dateValue":"2023-03-18"}],"displaytype":"simple","filename":"PhysRevLett.108.046805.pdf","filesize":[{"value":"1.7 MB"}],"mimetype":"application/pdf","url":{"objectType":"fulltext","url":"https://hiroshima.repo.nii.ac.jp/record/2008585/files/PhysRevLett.108.046805.pdf"},"version_id":"f66d02e4-da32-43aa-8630-394c33f59f0a"}]},"item_1732771732025":{"attribute_name":"旧ID","attribute_value":"33913"},"item_title":"Chiral Orbital-Angular Momentum in the Surface States of Bi2Se3","item_type_id":"40003","owner":"41","path":["1730444907710"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2023-03-18"},"publish_date":"2023-03-18","publish_status":"0","recid":"2008585","relation_version_is_last":true,"title":["Chiral Orbital-Angular Momentum in the Surface States of Bi2Se3"],"weko_creator_id":"41","weko_shared_id":-1},"updated":"2025-02-22T03:57:09.411898+00:00"}