{"_buckets": {"deposit": "2a1cfed1-6ce0-43c8-8310-29113f0d0e4e"}, "_deposit": {"created_by": 26, "id": "376", "owners": [26], "pid": {"revision_id": 0, "type": "depid", "value": "376"}, "status": "published"}, "_oai": {"id": "oai:oist.repo.nii.ac.jp:00000376", "sets": ["13"]}, "author_link": ["1448", "1447", "1450", "1446", "1451", "1445", "1449"], "item_10001_biblio_info_7": {"attribute_name": "Bibliographic Information", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "2017-04-10", "bibliographicIssueDateType": "Issued"}, "bibliographicIssueNumber": "15", "bibliographicPageStart": "155301", "bibliographicVolumeNumber": "118", "bibliographic_titles": [{}, {"bibliographic_title": "Physical Review Letters", "bibliographic_titleLang": "en"}]}]}, "item_10001_creator_3": {"attribute_name": "Author", "attribute_type": "creator", "attribute_value_mlt": [{"creatorNames": [{"creatorName": "Khamehchi, M. A."}], "nameIdentifiers": [{"nameIdentifier": "1445", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Hossain, Khalid"}], "nameIdentifiers": [{"nameIdentifier": "1446", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Mossman, M. E."}], "nameIdentifiers": [{"nameIdentifier": "1447", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Zhang, Yongping"}], "nameIdentifiers": [{"nameIdentifier": "1448", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Busch, Th."}], "nameIdentifiers": [{"nameIdentifier": "1449", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Forbes, Michael McNeil"}], "nameIdentifiers": [{"nameIdentifier": "1450", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Engels, P."}], "nameIdentifiers": [{"nameIdentifier": "1451", "nameIdentifierScheme": "WEKO"}]}]}, "item_10001_description_5": {"attribute_name": "Abstract", "attribute_value_mlt": [{"subitem_description": "A negative effective mass can be realized in quantum systems by engineering the dispersion relation. A powerful method is provided by spin-orbit coupling, which is currently at the center of intense research efforts. Here we measure an expanding spin-orbit coupled Bose-Einstein condensate whose dispersion features a region of negative effective mass. We observe a range of dynamical phenomena, including the breaking of parity and of Galilean covariance, dynamical instabilities, and self-trapping. The experimental findings are reproduced by a single-band Gross-Pitaevskii simulation, demonstrating that the emerging features—shock waves, soliton trains, self-trapping, etc.—originate from a modified dispersion. Our work also sheds new light on related phenomena in optical lattices, where the underlying periodic structure often complicates their interpretation.", "subitem_description_type": "Other"}]}, "item_10001_publisher_8": {"attribute_name": "Publisher", "attribute_value_mlt": [{"subitem_publisher": "American Physical Society"}]}, "item_10001_relation_13": {"attribute_name": "PubMedNo.", "attribute_value_mlt": [{"subitem_relation_type": "isIdenticalTo", "subitem_relation_type_id": {"subitem_relation_type_id_text": "info:pmid/28452531", "subitem_relation_type_select": "PMID"}}]}, "item_10001_relation_14": {"attribute_name": "DOI", "attribute_value_mlt": [{"subitem_relation_type": "isIdenticalTo", "subitem_relation_type_id": {"subitem_relation_type_id_text": "info:doi/10.1103/PhysRevLett.118.155301", "subitem_relation_type_select": "DOI"}}]}, "item_10001_relation_17": {"attribute_name": "Related site", "attribute_value_mlt": [{"subitem_relation_type_id": {"subitem_relation_type_id_text": "https://link.aps.org/doi/10.1103/PhysRevLett.118.155301", "subitem_relation_type_select": "URI"}}]}, "item_10001_rights_15": {"attribute_name": "Rights", "attribute_value_mlt": [{"subitem_rights": "© 2017 American Physical Society"}]}, "item_10001_source_id_9": {"attribute_name": "ISSN", "attribute_value_mlt": [{"subitem_source_identifier": "0031-9007", "subitem_source_identifier_type": "ISSN"}, {"subitem_source_identifier": "1079-7114", "subitem_source_identifier_type": "ISSN"}]}, "item_10001_version_type_20": {"attribute_name": "Author\u0027s flag", "attribute_value_mlt": [{"subitem_version_resource": "http://purl.org/coar/version/c_970fb48d4fbd8a85", "subitem_version_type": "VoR"}]}, "item_files": {"attribute_name": "ファイル情報", "attribute_type": "file", "attribute_value_mlt": [{"accessrole": "open_date", "date": [{"dateType": "Available", "dateValue": "2018-04-27"}], "displaytype": "detail", "download_preview_message": "", "file_order": 0, "filename": "PhysRevLett.118.155301.pdf", "filesize": [{"value": "1.5 MB"}], "format": "application/pdf", "future_date_message": "", "is_thumbnail": false, "licensetype": "license_free", "mimetype": "application/pdf", "size": 1500000.0, "url": {"label": "PhysRevLett.118.155301", "url": "https://oist.repo.nii.ac.jp/record/376/files/PhysRevLett.118.155301.pdf"}, "version_id": "dcdc437e-701b-4fca-a910-ccb65e117969"}]}, "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": "journal article", "resourceuri": "http://purl.org/coar/resource_type/c_6501"}]}, "item_title": "Negative-Mass Hydrodynamics in a Spin-Orbit–coupled Bose-Einstein Condensate", "item_titles": {"attribute_name": "タイトル", "attribute_value_mlt": [{"subitem_title": "Negative-Mass Hydrodynamics in a Spin-Orbit–coupled Bose-Einstein Condensate", "subitem_title_language": "en"}]}, "item_type_id": "10001", "owner": "26", "path": ["13"], "permalink_uri": "https://oist.repo.nii.ac.jp/records/376", "pubdate": {"attribute_name": "公開日", "attribute_value": "2018-04-27"}, "publish_date": "2018-04-27", "publish_status": "0", "recid": "376", "relation": {}, "relation_version_is_last": true, "title": ["Negative-Mass Hydrodynamics in a Spin-Orbit–coupled Bose-Einstein Condensate"], "weko_shared_id": 26}