{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:COOR5YO57BZG5NDJYEGPRIPKIJ","short_pith_number":"pith:COOR5YO5","schema_version":"1.0","canonical_sha256":"139d1ee1ddf8726eb469c10cf8a1ea4246b5d625ec241683c9f374775c271b96","source":{"kind":"arxiv","id":"1910.06671","version":4},"attestation_state":"computed","paper":{"title":"Flat-band superconductivity in periodically strained graphene: mean-field and Berezinskii-Kosterlitz-Thouless transition","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.supr-con","authors_text":"Teemu J. Peltonen, Tero T. Heikkil\\\"a","submitted_at":"2019-10-15T12:00:10Z","abstract_excerpt":"In the search of high-temperature superconductivity one option is to focus on increasing the density of electronic states. Here we study both the normal and $s$-wave superconducting state properties of periodically strained graphene, which exhibits approximate flat bands with a high density of states, with the flatness tunable by the strain profile. We generalize earlier results regarding a one-dimensional harmonic strain to arbitrary periodic strain fields, and further extend the results by calculating the superfluid weight and the Berezinskii-Kosterlitz-Thouless (BKT) transition temperature "},"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":"1910.06671","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2019-10-15T12:00:10Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"8e0db631e899020d8bbde47526c3fe800d9f0ca79666799433c1b5fcb6bc0970","abstract_canon_sha256":"a00dc5a690eca3cb4d9b31d7146375fd32622c14181a7efd85e213804e11b3bb"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:29:42.429555Z","signature_b64":"KghhhVGb7cWups9YBBQ8trtnOnxbGesBnkIgzNDH1RMdaeV1Aoj1CUXN/hR9lXpblpM720DbD0BWopGPejwfBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"139d1ee1ddf8726eb469c10cf8a1ea4246b5d625ec241683c9f374775c271b96","last_reissued_at":"2026-07-05T01:29:42.429068Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:29:42.429068Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Flat-band superconductivity in periodically strained graphene: mean-field and Berezinskii-Kosterlitz-Thouless transition","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.supr-con","authors_text":"Teemu J. Peltonen, Tero T. Heikkil\\\"a","submitted_at":"2019-10-15T12:00:10Z","abstract_excerpt":"In the search of high-temperature superconductivity one option is to focus on increasing the density of electronic states. Here we study both the normal and $s$-wave superconducting state properties of periodically strained graphene, which exhibits approximate flat bands with a high density of states, with the flatness tunable by the strain profile. We generalize earlier results regarding a one-dimensional harmonic strain to arbitrary periodic strain fields, and further extend the results by calculating the superfluid weight and the Berezinskii-Kosterlitz-Thouless (BKT) transition temperature "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1910.06671","kind":"arxiv","version":4},"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/1910.06671/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":"1910.06671","created_at":"2026-07-05T01:29:42.429136+00:00"},{"alias_kind":"arxiv_version","alias_value":"1910.06671v4","created_at":"2026-07-05T01:29:42.429136+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1910.06671","created_at":"2026-07-05T01:29:42.429136+00:00"},{"alias_kind":"pith_short_12","alias_value":"COOR5YO57BZG","created_at":"2026-07-05T01:29:42.429136+00:00"},{"alias_kind":"pith_short_16","alias_value":"COOR5YO57BZG5NDJ","created_at":"2026-07-05T01:29:42.429136+00:00"},{"alias_kind":"pith_short_8","alias_value":"COOR5YO5","created_at":"2026-07-05T01:29:42.429136+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/COOR5YO57BZG5NDJYEGPRIPKIJ","json":"https://pith.science/pith/COOR5YO57BZG5NDJYEGPRIPKIJ.json","graph_json":"https://pith.science/api/pith-number/COOR5YO57BZG5NDJYEGPRIPKIJ/graph.json","events_json":"https://pith.science/api/pith-number/COOR5YO57BZG5NDJYEGPRIPKIJ/events.json","paper":"https://pith.science/paper/COOR5YO5"},"agent_actions":{"view_html":"https://pith.science/pith/COOR5YO57BZG5NDJYEGPRIPKIJ","download_json":"https://pith.science/pith/COOR5YO57BZG5NDJYEGPRIPKIJ.json","view_paper":"https://pith.science/paper/COOR5YO5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1910.06671&json=true","fetch_graph":"https://pith.science/api/pith-number/COOR5YO57BZG5NDJYEGPRIPKIJ/graph.json","fetch_events":"https://pith.science/api/pith-number/COOR5YO57BZG5NDJYEGPRIPKIJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/COOR5YO57BZG5NDJYEGPRIPKIJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/COOR5YO57BZG5NDJYEGPRIPKIJ/action/storage_attestation","attest_author":"https://pith.science/pith/COOR5YO57BZG5NDJYEGPRIPKIJ/action/author_attestation","sign_citation":"https://pith.science/pith/COOR5YO57BZG5NDJYEGPRIPKIJ/action/citation_signature","submit_replication":"https://pith.science/pith/COOR5YO57BZG5NDJYEGPRIPKIJ/action/replication_record"}},"created_at":"2026-07-05T01:29:42.429136+00:00","updated_at":"2026-07-05T01:29:42.429136+00:00"}