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Compared to the effective initial scheme [M. Higuchi and K. Higuchi, Phys. Rev. B 78, 125101 (2008)], the search region for the ground-state PD is substantially extended within the set of N-representable PDs. The merit of the present scheme is to guarantee the resultant PD to be N-representable and to describe correlation effects beyond the effective initial scheme, which enables us to tackle with the development of the approximate form of the kinetic energy functional. We derive two restrictive conditions on the kinetic energy functional. With the aid of these restrictive conditions, we also propose several types of approximate functionals of the kinetic energy. To check the abilities and limitations of the present scheme including such approximate functionals, actual calculations are performed for the neutral neon atom. The results show that the present scheme provides the N-representable and correlated PDs, though it would have some limitations. 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Compared to the effective initial scheme [M. Higuchi and K. Higuchi, Phys. Rev. B 78, 125101 (2008)], the search region for the ground-state PD is substantially extended within the set of N-representable PDs. The merit of the present scheme is to guarantee the resultant PD to be N-representable and to describe correlation effects beyond the effective initial scheme, which enables us to tackle with the development of the approximate form of the kinetic energy functional. We derive two restrictive conditions on the kinetic energy functional. With the aid of these restrictive conditions, we also propose several types of approximate functionals of the kinetic energy. To check the abilities and limitations of the present scheme including such approximate functionals, actual calculations are performed for the neutral neon atom. The results show that the present scheme provides the N-representable and correlated PDs, though it would have some limitations. What we need to do first for improvement of the computational PD functional theory is that the development of the approximate functional of the kinetic energy is further advanced along the present scheme."}]}, "item_creator": {"attribute_name": "著者", "attribute_type": "creator", "attribute_value_mlt": [{"creatorNames": [{"creatorName": "Higuchi,  Katsuhiko"}], "nameIdentifiers": [{"nameIdentifier": "36135", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Higuchi,  Masahiko"}], "nameIdentifiers": [{"nameIdentifier": "36136", "nameIdentifierScheme": "WEKO"}]}]}, "item_files": {"attribute_name": "ファイル情報", "attribute_type": "file", "attribute_value_mlt": [{"accessrole": "open_date", "date": [{"dateType": "Available", "dateValue": "2015-09-28"}], "displaytype": "detail", "download_preview_message": "", "file_order": 0, "filename": "PhysRevB.82.155135.pdf", "filesize": [{"value": "241.0 kB"}], "format": "application/pdf", "future_date_message": "", "is_thumbnail": false, "licensetype": "license_note", "mimetype": "application/pdf", "size": 241000.0, "url": {"label": "PhysRevB.82.155135.pdf", "url": "https://soar-ir.repo.nii.ac.jp/record/11790/files/PhysRevB.82.155135.pdf"}, "version_id": "180c75e1-c758-46be-8851-1ea7c65d3a9a"}]}, "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": "Computational pair density functional theory: A proposal for the kinetic energy functional", "item_titles": {"attribute_name": "タイトル", "attribute_value_mlt": [{"subitem_title": "Computational pair density functional theory: A proposal for the kinetic energy functional", "subitem_title_language": "en"}]}, "item_type_id": "6", "owner": "1", "path": ["1170"], "permalink_uri": "http://hdl.handle.net/10091/16964", "pubdate": {"attribute_name": "PubDate", "attribute_value": "2013-04-23"}, "publish_date": "2013-04-23", "publish_status": "0", "recid": "11790", "relation": {}, "relation_version_is_last": true, "title": ["Computational pair density functional theory: A proposal for the kinetic energy functional"], "weko_shared_id": -1}