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The calculated total electron-phonon coupling strength $\\lambda=0.2\\text{--}0.3$ cannot account for the high $T_c\\sim 70$ K observed in these systems through the conventional phonon-mediated pairing mechanism. In all of these systems, however, we find that the coupling constant of a polar oxygen branch peaks at $\\mathbf{q}=0$ with negligible coupling elsewhere, while the energy of this mode coincides"},"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":"1602.03288","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2016-02-10T07:29:56Z","cross_cats_sorted":[],"title_canon_sha256":"91367ca06131dde0be7c8308f4986bf73ea6eee4e33468aa581133fa827cb600","abstract_canon_sha256":"8e6b3c2533fd591303838aa269315768ded65327f2ef2a485f58c5b582a72921"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:15:49.684039Z","signature_b64":"48oaYbkmLp9SHtxKuJ9yb21aXnUVSo+/srjN7upPnw7bA2DXpaSQyaTfu0K2r1G5KO8nXai94OR6TZ/J/oL3Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"650b1cb2b671052807c0219f1d929b62f248f0c10f4bfb55e80b56ddc53b1d9c","last_reissued_at":"2026-05-18T01:15:49.683406Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:15:49.683406Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Ab initio Study of Cross-Interface Electron-Phonon Couplings in FeSe Thin Films on SrTiO$_3$ and BaTiO$_3$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Andreas Linscheid, Steve Johnston, Tom Berlijn, Yan Wang","submitted_at":"2016-02-10T07:29:56Z","abstract_excerpt":"We study the electron-phonon coupling strength near the interface of monolayer and bilayer FeSe thin films on SrTiO$_3$, BaTiO$_3$, and oxygen-vacant SrTiO$_3$ substrates, using ab initio methods. The calculated total electron-phonon coupling strength $\\lambda=0.2\\text{--}0.3$ cannot account for the high $T_c\\sim 70$ K observed in these systems through the conventional phonon-mediated pairing mechanism. 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