{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:Z4GTUXCMWHPWC4NPXOLDBMCGLJ","short_pith_number":"pith:Z4GTUXCM","schema_version":"1.0","canonical_sha256":"cf0d3a5c4cb1df6171afbb9630b0465a660a79495725fca0edc72b6f5420e55f","source":{"kind":"arxiv","id":"1610.07721","version":1},"attestation_state":"computed","paper":{"title":"Reduction of the low-temperature bulk gap in samarium hexaboride under high magnetic fields","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"\\c{C}. Kurdak, D.-J. Kim, F. F. Balakirev, K. Sun, M. Jaime, S. Wolgast, Y. S. Eo, Z. Fisk","submitted_at":"2016-10-25T04:04:09Z","abstract_excerpt":"SmB$_6$ exhibits a small (15-20 meV) bandgap at low temperatures due to hybridized $d$ and $f$ electrons, a tiny (3 meV) transport activation energy $(E_{A})$ above 4 K, and surface states accessible to transport below 2 K. We study its magnetoresistance in 60-T pulsed fields between 1.5 K and 4 K. The response of the nearly $T$-independent surface states (which show no Shubnikov-de Haas oscillations) is distinct from that of the activated bulk. $E_{A}$ shrinks by 50% under fields up to 60 T. Data up to 93 T suggest that this trend continues beyond 100 T, in contrast with previous explanations"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1610.07721","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-10-25T04:04:09Z","cross_cats_sorted":[],"title_canon_sha256":"28df1ce3c914922356e995c204b37b6a31d9f1a53da08193b7ebf2e7bcaa3740","abstract_canon_sha256":"e269d5687ad578661b389c2f27bbd8ca34db667796f2112acecabe4871a93897"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:42:02.460777Z","signature_b64":"U8bfxU2MHE0JIl43oAlyyvFDtHOYxtVcwr/IxzfIIriRLZ2ytbShu3nZVEZDql7ozT1w8uBvTiNNZO7bBj9pCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cf0d3a5c4cb1df6171afbb9630b0465a660a79495725fca0edc72b6f5420e55f","last_reissued_at":"2026-05-18T00:42:02.460269Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:42:02.460269Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Reduction of the low-temperature bulk gap in samarium hexaboride under high magnetic fields","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"\\c{C}. Kurdak, D.-J. Kim, F. F. Balakirev, K. Sun, M. Jaime, S. Wolgast, Y. S. Eo, Z. Fisk","submitted_at":"2016-10-25T04:04:09Z","abstract_excerpt":"SmB$_6$ exhibits a small (15-20 meV) bandgap at low temperatures due to hybridized $d$ and $f$ electrons, a tiny (3 meV) transport activation energy $(E_{A})$ above 4 K, and surface states accessible to transport below 2 K. We study its magnetoresistance in 60-T pulsed fields between 1.5 K and 4 K. The response of the nearly $T$-independent surface states (which show no Shubnikov-de Haas oscillations) is distinct from that of the activated bulk. $E_{A}$ shrinks by 50% under fields up to 60 T. Data up to 93 T suggest that this trend continues beyond 100 T, in contrast with previous explanations"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.07721","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1610.07721","created_at":"2026-05-18T00:42:02.460357+00:00"},{"alias_kind":"arxiv_version","alias_value":"1610.07721v1","created_at":"2026-05-18T00:42:02.460357+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.07721","created_at":"2026-05-18T00:42:02.460357+00:00"},{"alias_kind":"pith_short_12","alias_value":"Z4GTUXCMWHPW","created_at":"2026-05-18T12:30:53.716459+00:00"},{"alias_kind":"pith_short_16","alias_value":"Z4GTUXCMWHPWC4NP","created_at":"2026-05-18T12:30:53.716459+00:00"},{"alias_kind":"pith_short_8","alias_value":"Z4GTUXCM","created_at":"2026-05-18T12:30:53.716459+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/Z4GTUXCMWHPWC4NPXOLDBMCGLJ","json":"https://pith.science/pith/Z4GTUXCMWHPWC4NPXOLDBMCGLJ.json","graph_json":"https://pith.science/api/pith-number/Z4GTUXCMWHPWC4NPXOLDBMCGLJ/graph.json","events_json":"https://pith.science/api/pith-number/Z4GTUXCMWHPWC4NPXOLDBMCGLJ/events.json","paper":"https://pith.science/paper/Z4GTUXCM"},"agent_actions":{"view_html":"https://pith.science/pith/Z4GTUXCMWHPWC4NPXOLDBMCGLJ","download_json":"https://pith.science/pith/Z4GTUXCMWHPWC4NPXOLDBMCGLJ.json","view_paper":"https://pith.science/paper/Z4GTUXCM","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1610.07721&json=true","fetch_graph":"https://pith.science/api/pith-number/Z4GTUXCMWHPWC4NPXOLDBMCGLJ/graph.json","fetch_events":"https://pith.science/api/pith-number/Z4GTUXCMWHPWC4NPXOLDBMCGLJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/Z4GTUXCMWHPWC4NPXOLDBMCGLJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/Z4GTUXCMWHPWC4NPXOLDBMCGLJ/action/storage_attestation","attest_author":"https://pith.science/pith/Z4GTUXCMWHPWC4NPXOLDBMCGLJ/action/author_attestation","sign_citation":"https://pith.science/pith/Z4GTUXCMWHPWC4NPXOLDBMCGLJ/action/citation_signature","submit_replication":"https://pith.science/pith/Z4GTUXCMWHPWC4NPXOLDBMCGLJ/action/replication_record"}},"created_at":"2026-05-18T00:42:02.460357+00:00","updated_at":"2026-05-18T00:42:02.460357+00:00"}