{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:3XMKZXN2EJHQKPFCECE274ZT2U","short_pith_number":"pith:3XMKZXN2","schema_version":"1.0","canonical_sha256":"ddd8acddba224f053ca22089aff333d53428d81578f91cd0f88a365c530d819c","source":{"kind":"arxiv","id":"2301.13488","version":1},"attestation_state":"computed","paper":{"title":"Orientation-dependent electron-phonon coupling in interfacial superconductors LaAlO3/KTaO3","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Donglai Feng, Fanjin Lu, Fatima Alarab, Haichao Xu, Meng Zhang, Minyinan Lei, Nan Guo, Rui Peng, Tao Zhou, Tianlun Yu, Vladimir N. Strokov, Weitao Liu, Xiaoyang Chen, Xingtian Sun, Xinyi Liu, Yanqiu Sun, Yanwu Xie, Yilin Wang, Yuan Liu, Yu Fan","submitted_at":"2023-01-31T09:15:00Z","abstract_excerpt":"The emergent superconductivity at the LaAlO3/KTaO3 interfaces exhibits a mysterious dependence on the KTaO3 crystallographic orientations. Here we show, by soft X-ray angle-resolved photoemission spectroscopy, that the interfacial superconductivity is contributed by mobile electrons with unexpected quasi-three-dimensional character, beyond the \"two-dimensional electron gas\" scenario in describing oxide interfaces. At differently-oriented interfaces, the quasi-three-dimensional electron gas ubiquitously exists and spatially overlaps with the small q Fuchs-Kliewer surface phonons. Intriguingly, "},"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":"2301.13488","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2023-01-31T09:15:00Z","cross_cats_sorted":[],"title_canon_sha256":"e5690a8adae621badb108d0287bb6ec1a856ed6614b0e3f2a4fd0eff6764761f","abstract_canon_sha256":"d10643070a90c2c9db578a3df8be38cbf4c454009245e1c3079e9b1ed1e8f46a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:02:53.283332Z","signature_b64":"sGgTzJGed0ZDlF+r6isBPOqFqmy1c7vHAfIOR5TqshjqKcMzIrdbJepN+edKzWMiGYilpv10eRU513lAYstLBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ddd8acddba224f053ca22089aff333d53428d81578f91cd0f88a365c530d819c","last_reissued_at":"2026-07-05T09:02:53.282897Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:02:53.282897Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Orientation-dependent electron-phonon coupling in interfacial superconductors LaAlO3/KTaO3","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Donglai Feng, Fanjin Lu, Fatima Alarab, Haichao Xu, Meng Zhang, Minyinan Lei, Nan Guo, Rui Peng, Tao Zhou, Tianlun Yu, Vladimir N. Strokov, Weitao Liu, Xiaoyang Chen, Xingtian Sun, Xinyi Liu, Yanqiu Sun, Yanwu Xie, Yilin Wang, Yuan Liu, Yu Fan","submitted_at":"2023-01-31T09:15:00Z","abstract_excerpt":"The emergent superconductivity at the LaAlO3/KTaO3 interfaces exhibits a mysterious dependence on the KTaO3 crystallographic orientations. Here we show, by soft X-ray angle-resolved photoemission spectroscopy, that the interfacial superconductivity is contributed by mobile electrons with unexpected quasi-three-dimensional character, beyond the \"two-dimensional electron gas\" scenario in describing oxide interfaces. At differently-oriented interfaces, the quasi-three-dimensional electron gas ubiquitously exists and spatially overlaps with the small q Fuchs-Kliewer surface phonons. Intriguingly, "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2301.13488","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/2301.13488/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":"2301.13488","created_at":"2026-07-05T09:02:53.282945+00:00"},{"alias_kind":"arxiv_version","alias_value":"2301.13488v1","created_at":"2026-07-05T09:02:53.282945+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2301.13488","created_at":"2026-07-05T09:02:53.282945+00:00"},{"alias_kind":"pith_short_12","alias_value":"3XMKZXN2EJHQ","created_at":"2026-07-05T09:02:53.282945+00:00"},{"alias_kind":"pith_short_16","alias_value":"3XMKZXN2EJHQKPFC","created_at":"2026-07-05T09:02:53.282945+00:00"},{"alias_kind":"pith_short_8","alias_value":"3XMKZXN2","created_at":"2026-07-05T09:02:53.282945+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/3XMKZXN2EJHQKPFCECE274ZT2U","json":"https://pith.science/pith/3XMKZXN2EJHQKPFCECE274ZT2U.json","graph_json":"https://pith.science/api/pith-number/3XMKZXN2EJHQKPFCECE274ZT2U/graph.json","events_json":"https://pith.science/api/pith-number/3XMKZXN2EJHQKPFCECE274ZT2U/events.json","paper":"https://pith.science/paper/3XMKZXN2"},"agent_actions":{"view_html":"https://pith.science/pith/3XMKZXN2EJHQKPFCECE274ZT2U","download_json":"https://pith.science/pith/3XMKZXN2EJHQKPFCECE274ZT2U.json","view_paper":"https://pith.science/paper/3XMKZXN2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2301.13488&json=true","fetch_graph":"https://pith.science/api/pith-number/3XMKZXN2EJHQKPFCECE274ZT2U/graph.json","fetch_events":"https://pith.science/api/pith-number/3XMKZXN2EJHQKPFCECE274ZT2U/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/3XMKZXN2EJHQKPFCECE274ZT2U/action/timestamp_anchor","attest_storage":"https://pith.science/pith/3XMKZXN2EJHQKPFCECE274ZT2U/action/storage_attestation","attest_author":"https://pith.science/pith/3XMKZXN2EJHQKPFCECE274ZT2U/action/author_attestation","sign_citation":"https://pith.science/pith/3XMKZXN2EJHQKPFCECE274ZT2U/action/citation_signature","submit_replication":"https://pith.science/pith/3XMKZXN2EJHQKPFCECE274ZT2U/action/replication_record"}},"created_at":"2026-07-05T09:02:53.282945+00:00","updated_at":"2026-07-05T09:02:53.282945+00:00"}