{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:BLKBWW7TXQIYENYDZRBY2SQ4JO","short_pith_number":"pith:BLKBWW7T","schema_version":"1.0","canonical_sha256":"0ad41b5bf3bc11823703cc438d4a1c4ba4eed4ca345ba98e02af9bd7770093f7","source":{"kind":"arxiv","id":"2411.09793","version":1},"attestation_state":"computed","paper":{"title":"Large critical fields in superconducting Ti$_{4}$Ir$_2$O from spin-orbit coupling","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Daniel F. Agterberg, Hao Wu, Michael Weinert, Tatsuya Shishidou","submitted_at":"2024-11-14T20:10:29Z","abstract_excerpt":"The recently synthesized $\\eta$-carbide-type superconductors exhibit large critical fields. A notable example is Ti$_4$Ir$_2$O, for which the upper critical field strongly violates the Pauli paramagnetic limit, behavior that is unusual for cubic materials that preserve inversion symmetry. Here, by combining density functional theory (DFT) and analytic modeling, we provide an explanation for this enhanced Pauli limiting field. We show that the nonsymmorphic Fd$\\overline{3}$m symmetry implies that the electronic states near the X points exhibit strong spin-orbit coupling (SOC), which leads to a "},"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":"2411.09793","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2024-11-14T20:10:29Z","cross_cats_sorted":[],"title_canon_sha256":"19324c4332f475f0bf19d9a3d3582f4bf2f275a7c234b38ee95e0df26bc45393","abstract_canon_sha256":"8adaad8765f3b436a62097bddeaf870c58f7bff7f457a8d1727b63d4a7681bf0"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:35:38.407865Z","signature_b64":"dlftAc3HdRw+KbanE9LM97JYtiy4F4xeiVbdrrqhYnXFh+aPZzY1InP/YdqCW6srTqOhWycl7tSIA3EGCFAOAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0ad41b5bf3bc11823703cc438d4a1c4ba4eed4ca345ba98e02af9bd7770093f7","last_reissued_at":"2026-07-05T09:35:38.407360Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:35:38.407360Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Large critical fields in superconducting Ti$_{4}$Ir$_2$O from spin-orbit coupling","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Daniel F. Agterberg, Hao Wu, Michael Weinert, Tatsuya Shishidou","submitted_at":"2024-11-14T20:10:29Z","abstract_excerpt":"The recently synthesized $\\eta$-carbide-type superconductors exhibit large critical fields. A notable example is Ti$_4$Ir$_2$O, for which the upper critical field strongly violates the Pauli paramagnetic limit, behavior that is unusual for cubic materials that preserve inversion symmetry. Here, by combining density functional theory (DFT) and analytic modeling, we provide an explanation for this enhanced Pauli limiting field. We show that the nonsymmorphic Fd$\\overline{3}$m symmetry implies that the electronic states near the X points exhibit strong spin-orbit coupling (SOC), which leads to a "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.09793","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2411.09793/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2411.09793","created_at":"2026-07-05T09:35:38.407430+00:00"},{"alias_kind":"arxiv_version","alias_value":"2411.09793v1","created_at":"2026-07-05T09:35:38.407430+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.09793","created_at":"2026-07-05T09:35:38.407430+00:00"},{"alias_kind":"pith_short_12","alias_value":"BLKBWW7TXQIY","created_at":"2026-07-05T09:35:38.407430+00:00"},{"alias_kind":"pith_short_16","alias_value":"BLKBWW7TXQIYENYD","created_at":"2026-07-05T09:35:38.407430+00:00"},{"alias_kind":"pith_short_8","alias_value":"BLKBWW7T","created_at":"2026-07-05T09:35:38.407430+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/BLKBWW7TXQIYENYDZRBY2SQ4JO","json":"https://pith.science/pith/BLKBWW7TXQIYENYDZRBY2SQ4JO.json","graph_json":"https://pith.science/api/pith-number/BLKBWW7TXQIYENYDZRBY2SQ4JO/graph.json","events_json":"https://pith.science/api/pith-number/BLKBWW7TXQIYENYDZRBY2SQ4JO/events.json","paper":"https://pith.science/paper/BLKBWW7T"},"agent_actions":{"view_html":"https://pith.science/pith/BLKBWW7TXQIYENYDZRBY2SQ4JO","download_json":"https://pith.science/pith/BLKBWW7TXQIYENYDZRBY2SQ4JO.json","view_paper":"https://pith.science/paper/BLKBWW7T","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2411.09793&json=true","fetch_graph":"https://pith.science/api/pith-number/BLKBWW7TXQIYENYDZRBY2SQ4JO/graph.json","fetch_events":"https://pith.science/api/pith-number/BLKBWW7TXQIYENYDZRBY2SQ4JO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/BLKBWW7TXQIYENYDZRBY2SQ4JO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/BLKBWW7TXQIYENYDZRBY2SQ4JO/action/storage_attestation","attest_author":"https://pith.science/pith/BLKBWW7TXQIYENYDZRBY2SQ4JO/action/author_attestation","sign_citation":"https://pith.science/pith/BLKBWW7TXQIYENYDZRBY2SQ4JO/action/citation_signature","submit_replication":"https://pith.science/pith/BLKBWW7TXQIYENYDZRBY2SQ4JO/action/replication_record"}},"created_at":"2026-07-05T09:35:38.407430+00:00","updated_at":"2026-07-05T09:35:38.407430+00:00"}