{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:DSO23ADKULRUVKV66SOEH6LUNC","short_pith_number":"pith:DSO23ADK","schema_version":"1.0","canonical_sha256":"1c9dad806aa2e34aaabef49c43f974689b09b348d543fab36dea65e77a975345","source":{"kind":"arxiv","id":"2411.18031","version":1},"attestation_state":"computed","paper":{"title":"Pressure Dependence of Ultrafast Carrier Dynamics in Excitonic Insulator Ta$_2$NiSe$_5$","license":"http://creativecommons.org/publicdomain/zero/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A K Sood, Arijit Sinha, Luminita Harnagea, U V Waghmare, Victor S Muthu, Vikas Arora","submitted_at":"2024-11-27T03:54:45Z","abstract_excerpt":"An excitonic insulator (EI) phase is a consequence of collective many-body effects where an optical band gap is formed by the condensation of electron-hole pairs or excitons. We report pressure-dependent optical pump optical probe spectroscopy of EI Ta$_2$NiSe$_5$ in an on-site in situ geometry. The fast relaxation process depicts the transition across P$_{C_1}$ $\\sim$1 GPa from EI phase to a semiconductor and P$_{C_2}$ $\\sim$3 GPa from a semiconductor to a semimetallic phase. The instability of the EI phase beyond P$_{C_1}$ is captured by the Rothwarf-Taylor model by incorporating the decreas"},"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":"2411.18031","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-11-27T03:54:45Z","cross_cats_sorted":[],"title_canon_sha256":"6b0255db67f45274b5081c6f89b226c25f63f173fac069759c95599a7600b02e","abstract_canon_sha256":"666221145cb44b6135e52d9047bf43728158eeae37b4c7b56421fd874a8840d7"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:41:10.735452Z","signature_b64":"ITsW9zJs/709qXBFrVICQHMTCNt3zVBwAIJaoWTgwCnv7mJ+WNTIFu8ra2lDxb6ZyfTjNLOlTQ2qaNdDGFjLCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1c9dad806aa2e34aaabef49c43f974689b09b348d543fab36dea65e77a975345","last_reissued_at":"2026-07-05T09:41:10.735010Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:41:10.735010Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Pressure Dependence of Ultrafast Carrier Dynamics in Excitonic Insulator Ta$_2$NiSe$_5$","license":"http://creativecommons.org/publicdomain/zero/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A K Sood, Arijit Sinha, Luminita Harnagea, U V Waghmare, Victor S Muthu, Vikas Arora","submitted_at":"2024-11-27T03:54:45Z","abstract_excerpt":"An excitonic insulator (EI) phase is a consequence of collective many-body effects where an optical band gap is formed by the condensation of electron-hole pairs or excitons. We report pressure-dependent optical pump optical probe spectroscopy of EI Ta$_2$NiSe$_5$ in an on-site in situ geometry. The fast relaxation process depicts the transition across P$_{C_1}$ $\\sim$1 GPa from EI phase to a semiconductor and P$_{C_2}$ $\\sim$3 GPa from a semiconductor to a semimetallic phase. The instability of the EI phase beyond P$_{C_1}$ is captured by the Rothwarf-Taylor model by incorporating the decreas"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.18031","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/2411.18031/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":"2411.18031","created_at":"2026-07-05T09:41:10.735066+00:00"},{"alias_kind":"arxiv_version","alias_value":"2411.18031v1","created_at":"2026-07-05T09:41:10.735066+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.18031","created_at":"2026-07-05T09:41:10.735066+00:00"},{"alias_kind":"pith_short_12","alias_value":"DSO23ADKULRU","created_at":"2026-07-05T09:41:10.735066+00:00"},{"alias_kind":"pith_short_16","alias_value":"DSO23ADKULRUVKV6","created_at":"2026-07-05T09:41:10.735066+00:00"},{"alias_kind":"pith_short_8","alias_value":"DSO23ADK","created_at":"2026-07-05T09:41:10.735066+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/DSO23ADKULRUVKV66SOEH6LUNC","json":"https://pith.science/pith/DSO23ADKULRUVKV66SOEH6LUNC.json","graph_json":"https://pith.science/api/pith-number/DSO23ADKULRUVKV66SOEH6LUNC/graph.json","events_json":"https://pith.science/api/pith-number/DSO23ADKULRUVKV66SOEH6LUNC/events.json","paper":"https://pith.science/paper/DSO23ADK"},"agent_actions":{"view_html":"https://pith.science/pith/DSO23ADKULRUVKV66SOEH6LUNC","download_json":"https://pith.science/pith/DSO23ADKULRUVKV66SOEH6LUNC.json","view_paper":"https://pith.science/paper/DSO23ADK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2411.18031&json=true","fetch_graph":"https://pith.science/api/pith-number/DSO23ADKULRUVKV66SOEH6LUNC/graph.json","fetch_events":"https://pith.science/api/pith-number/DSO23ADKULRUVKV66SOEH6LUNC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DSO23ADKULRUVKV66SOEH6LUNC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DSO23ADKULRUVKV66SOEH6LUNC/action/storage_attestation","attest_author":"https://pith.science/pith/DSO23ADKULRUVKV66SOEH6LUNC/action/author_attestation","sign_citation":"https://pith.science/pith/DSO23ADKULRUVKV66SOEH6LUNC/action/citation_signature","submit_replication":"https://pith.science/pith/DSO23ADKULRUVKV66SOEH6LUNC/action/replication_record"}},"created_at":"2026-07-05T09:41:10.735066+00:00","updated_at":"2026-07-05T09:41:10.735066+00:00"}