{"_buckets": {"deposit": "fb01b712-bd49-44e9-a8ce-6248c00b7c2c"}, "_deposit": {"id": "2498", "owners": [], "pid": {"revision_id": 0, "type": "depid", "value": "2498"}, "status": "published"}, "_oai": {"id": "oai:niigata-u.repo.nii.ac.jp:00002498"}, "item_5_biblio_info_6": {"attribute_name": "\u66f8\u8a8c\u60c5\u5831", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "2012-04", "bibliographicIssueDateType": "Issued"}, "bibliographicIssueNumber": "16", "bibliographicPageEnd": "165114-10", "bibliographicPageStart": "165114-1", "bibliographicVolumeNumber": "85", "bibliographic_titles": [{"bibliographic_title": "Physical review. Third series. B, Condensed matter and materials physics"}, {"bibliographic_title": "Physical review. Third series. B, Condensed matter and materials physics", "bibliographic_titleLang": "en"}]}]}, "item_5_description_4": {"attribute_name": "\u6284\u9332", "attribute_value_mlt": [{"subitem_description": "We investigate the periodic Anderson model with k-dependent c-f mixing reproducing the point nodes of the hybridization gap by using the dynamical mean-field theory combined with the exact diagonalization method. At low temperature below a coherence temperature T0, the imaginary part of the self-energy is found to be proportional to T 2 and the pseudogap with two characteristic energies \u03941 and \u03942 is clearly observed for T \u003c\u003c T0, while the pseudogap is smeared with increasing T and then disappears at high temperature T \u003e T0 due to the evolution of the imaginary self-energy. When the Coulomb interaction between f electrons U increases, \u03941, \u03942, and T0 together with Tmax at which the magnetic susceptibility is maximum decrease in proportion to the renormalization factor Z resulting in a heavy-fermion semiconductor with a large mass enhancement m\u2217 /m = Z -1 for large U. We also examine the effect of the external magnetic field H and find that the magnetizationM shows two metamagnetic anomalies H1 and H2 corresponding to\u03941 and \u03942 which are reduced due to the effect of H together with Z. Remarkably, Z \u22121 is found to be largely enhanced due to H especially for H1\u003c H \u003c H2, where the field induced heavy fermion state is realized. The obtained results seem to be consistent with the experimental results observed in the anisotropic Kondo semiconductors such as CeNiSn.", "subitem_description_type": "Abstract"}]}, "item_5_publisher_7": {"attribute_name": "\u51fa\u7248\u8005", "attribute_value_mlt": [{"subitem_publisher": "American Physical Society"}]}, "item_5_relation_14": {"attribute_name": "DOI", "attribute_value_mlt": [{"subitem_relation_type_id": {"subitem_relation_type_id_text": "info:doi/10.1103/PhysRevB.85.165114", "subitem_relation_type_select": "DOI"}}]}, "item_5_relation_31": {"attribute_name": "\u7570\u7248\u3067\u3042\u308b", "attribute_value_mlt": [{"subitem_relation_type": "isVersionOf", "subitem_relation_type_id": {"subitem_relation_type_id_text": "http://journals.aps.org/prb/pdf/10.1103/PhysRevB.85.165114", "subitem_relation_type_select": "URI"}}]}, "item_5_rights_15": {"attribute_name": "\u6a29\u5229", "attribute_value_mlt": [{"subitem_rights": "Copyright (C) 2012 The American Physical Society"}]}, "item_5_select_19": {"attribute_name": "\u8457\u8005\u7248\u30d5\u30e9\u30b0", "attribute_value_mlt": [{"subitem_select_item": "publisher"}]}, "item_5_source_id_11": {"attribute_name": "\u66f8\u8a8c\u30ec\u30b3\u30fc\u30c9ID", "attribute_value_mlt": [{"subitem_source_identifier": "AA11187113", "subitem_source_identifier_type": "NCID"}]}, "item_5_source_id_9": {"attribute_name": "ISSN", "attribute_value_mlt": [{"subitem_source_identifier": "10980121", "subitem_source_identifier_type": "ISSN"}]}, "item_creator": {"attribute_name": "\u8457\u8005", "attribute_type": "creator", "attribute_value_mlt": [{"creatorNames": [{"creatorName": "Yamada, Takemi"}], "nameIdentifiers": [{"nameIdentifier": "37480", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Ono, Yoshiaki"}], "nameIdentifiers": [{"nameIdentifier": "62", "nameIdentifierScheme": "WEKO"}]}]}, "item_files": {"attribute_name": "\u30d5\u30a1\u30a4\u30eb\u60c5\u5831", "attribute_type": "file", "attribute_value_mlt": [{"accessrole": "open_date", "date": [{"dateType": "Available", "dateValue": "2019-07-29"}], "displaytype": "detail", "download_preview_message": "", "file_order": 0, "filename": "85(16)_165114.pdf", "filesize": [{"value": "756.0 kB"}], "format": "application/pdf", "future_date_message": "", "is_thumbnail": false, "licensetype": "license_free", "mimetype": "application/pdf", "size": 756000.0, "url": {"label": "85(16)_165114.pdf", "url": "https://niigata-u.repo.nii.ac.jp/record/2498/files/85(16)_165114.pdf"}, "version_id": "16df90b4-9cb1-4b8a-9017-6bed841c1d08"}]}, "item_language": {"attribute_name": "\u8a00\u8a9e", "attribute_value_mlt": [{"subitem_language": "eng"}]}, "item_resource_type": {"attribute_name": "\u8cc7\u6e90\u30bf\u30a4\u30d7", "attribute_value_mlt": [{"resourcetype": "journal article", "resourceuri": "http://purl.org/coar/resource_type/c_6501"}]}, "item_title": "Dynamical mean-field theory for the anisotropic Kondo semiconductor : Temperature and magnetic field dependence", "item_titles": {"attribute_name": "\u30bf\u30a4\u30c8\u30eb", "attribute_value_mlt": [{"subitem_title": "Dynamical mean-field theory for the anisotropic Kondo semiconductor : Temperature and magnetic field dependence"}, {"subitem_title": "Dynamical mean-field theory for the anisotropic Kondo semiconductor : Temperature and magnetic field dependence", "subitem_title_language": "en"}]}, "item_type_id": "5", "owner": "1", "path": ["453/454", "176/488/489"], "permalink_uri": "http://hdl.handle.net/10191/26866", "pubdate": {"attribute_name": "\u516c\u958b\u65e5", "attribute_value": "2014-04-15"}, "publish_date": "2014-04-15", "publish_status": "0", "recid": "2498", "relation": {}, "relation_version_is_last": true, "title": ["Dynamical mean-field theory for the anisotropic Kondo semiconductor : Temperature and magnetic field dependence"], "weko_shared_id": null}