{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:NSENBQHPGLCACY2WXFT4FVA5VH","short_pith_number":"pith:NSENBQHP","schema_version":"1.0","canonical_sha256":"6c88d0c0ef32c4016356b967c2d41da9feb1d98817fc9e5be6cf91fec61597c6","source":{"kind":"arxiv","id":"1102.5616","version":2},"attestation_state":"computed","paper":{"title":"Energy-gap dynamics of superconducting NbN thin films studied by time-resolved terahertz spectroscopy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"G. N. Gol'tsman, J. Demsar, M. Beck, M. Klammer, P. Leiderer, S. Lang, V.V. Kabanov","submitted_at":"2011-02-28T07:53:37Z","abstract_excerpt":"Using time-domain Terahertz spectroscopy we performed direct studies of the photoinduced suppression and recovery of the superconducting gap in a conventional BCS superconductor NbN. Both processes are found to be strongly temperature and excitation density dependent. The analysis of the data with the established phenomenological Rothwarf-Taylor model enabled us to determine the bare quasiparticle recombination rate, the Cooper pair-breaking rate and the electron-phonon coupling constant, \\lambda = 1.1 +/- 0.1, which is in excellent agreement with theoretical estimates."},"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":"1102.5616","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-02-28T07:53:37Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"e99480eadfee64cdf8786d0444ddcab2ff0679f264e8f68aa956b17b1d15695f","abstract_canon_sha256":"1148ba7fbe38d80a149a786f74dc80d242700abe1d7326d2c0416dd6b2ca533a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:03:04.082666Z","signature_b64":"2qmt4UsmbeFLO2hAIiwCa3ikCC+I4voikXJ472Ex1+iOaMUMclSfEOcwW2kVnESHvCctVOEy7G6QAPY9ck+8Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6c88d0c0ef32c4016356b967c2d41da9feb1d98817fc9e5be6cf91fec61597c6","last_reissued_at":"2026-05-18T02:03:04.081931Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:03:04.081931Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Energy-gap dynamics of superconducting NbN thin films studied by time-resolved terahertz spectroscopy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"G. N. Gol'tsman, J. Demsar, M. Beck, M. Klammer, P. Leiderer, S. Lang, V.V. Kabanov","submitted_at":"2011-02-28T07:53:37Z","abstract_excerpt":"Using time-domain Terahertz spectroscopy we performed direct studies of the photoinduced suppression and recovery of the superconducting gap in a conventional BCS superconductor NbN. Both processes are found to be strongly temperature and excitation density dependent. The analysis of the data with the established phenomenological Rothwarf-Taylor model enabled us to determine the bare quasiparticle recombination rate, the Cooper pair-breaking rate and the electron-phonon coupling constant, \\lambda = 1.1 +/- 0.1, which is in excellent agreement with theoretical estimates."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.5616","kind":"arxiv","version":2},"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":"1102.5616","created_at":"2026-05-18T02:03:04.082044+00:00"},{"alias_kind":"arxiv_version","alias_value":"1102.5616v2","created_at":"2026-05-18T02:03:04.082044+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.5616","created_at":"2026-05-18T02:03:04.082044+00:00"},{"alias_kind":"pith_short_12","alias_value":"NSENBQHPGLCA","created_at":"2026-05-18T12:26:37.096874+00:00"},{"alias_kind":"pith_short_16","alias_value":"NSENBQHPGLCACY2W","created_at":"2026-05-18T12:26:37.096874+00:00"},{"alias_kind":"pith_short_8","alias_value":"NSENBQHP","created_at":"2026-05-18T12:26:37.096874+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/NSENBQHPGLCACY2WXFT4FVA5VH","json":"https://pith.science/pith/NSENBQHPGLCACY2WXFT4FVA5VH.json","graph_json":"https://pith.science/api/pith-number/NSENBQHPGLCACY2WXFT4FVA5VH/graph.json","events_json":"https://pith.science/api/pith-number/NSENBQHPGLCACY2WXFT4FVA5VH/events.json","paper":"https://pith.science/paper/NSENBQHP"},"agent_actions":{"view_html":"https://pith.science/pith/NSENBQHPGLCACY2WXFT4FVA5VH","download_json":"https://pith.science/pith/NSENBQHPGLCACY2WXFT4FVA5VH.json","view_paper":"https://pith.science/paper/NSENBQHP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1102.5616&json=true","fetch_graph":"https://pith.science/api/pith-number/NSENBQHPGLCACY2WXFT4FVA5VH/graph.json","fetch_events":"https://pith.science/api/pith-number/NSENBQHPGLCACY2WXFT4FVA5VH/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NSENBQHPGLCACY2WXFT4FVA5VH/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NSENBQHPGLCACY2WXFT4FVA5VH/action/storage_attestation","attest_author":"https://pith.science/pith/NSENBQHPGLCACY2WXFT4FVA5VH/action/author_attestation","sign_citation":"https://pith.science/pith/NSENBQHPGLCACY2WXFT4FVA5VH/action/citation_signature","submit_replication":"https://pith.science/pith/NSENBQHPGLCACY2WXFT4FVA5VH/action/replication_record"}},"created_at":"2026-05-18T02:03:04.082044+00:00","updated_at":"2026-05-18T02:03:04.082044+00:00"}