{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:NW5O7FV33MY6LWDO7NG6AFOT2S","short_pith_number":"pith:NW5O7FV3","schema_version":"1.0","canonical_sha256":"6dbaef96bbdb31e5d86efb4de015d3d4b4660cbe7d4e9c7ba72fa4afd09efaa0","source":{"kind":"arxiv","id":"1011.3845","version":2},"attestation_state":"computed","paper":{"title":"Universal contact of strongly interacting fermions at finite temperatures","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"Hui Hu, Peter D. Drummond, Xia-Ji Liu","submitted_at":"2010-11-16T22:30:15Z","abstract_excerpt":"The recently discovered universal thermodynamic behaviour of dilute, strongly interacting Fermi gases also implies a universal structure in the many-body pair-correlation function at short distances, as quantified by the contact ${\\cal I}$. This quantity is an excellent indicator of the presence of strong correlations in these systems, which provide a highly accessible physical model for other strongly correlated quantum fluids. Here we theoretically calculate the temperature dependence of this universal contact for a Fermi gas in free space and in a harmonic trap. At high temperatures above t"},"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":"1011.3845","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2010-11-16T22:30:15Z","cross_cats_sorted":[],"title_canon_sha256":"8d96238708f97aacd6a68dd5d7e2e80e9263bda2649319b2fab64a5ef6616f4f","abstract_canon_sha256":"99a271d22c667edd2db33711307441789596c483fcb337f0e37c8cb8bfaf1937"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:18:53.194472Z","signature_b64":"E7+pde4vcWqyGlIxAQ4kTZp9RqkuG75fhxwqG0UurHIMWcqgDyMO6gJWp+2NJ/SjHstx39ahDOBYkpzF3AECAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6dbaef96bbdb31e5d86efb4de015d3d4b4660cbe7d4e9c7ba72fa4afd09efaa0","last_reissued_at":"2026-05-18T04:18:53.194046Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:18:53.194046Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Universal contact of strongly interacting fermions at finite temperatures","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"Hui Hu, Peter D. Drummond, Xia-Ji Liu","submitted_at":"2010-11-16T22:30:15Z","abstract_excerpt":"The recently discovered universal thermodynamic behaviour of dilute, strongly interacting Fermi gases also implies a universal structure in the many-body pair-correlation function at short distances, as quantified by the contact ${\\cal I}$. This quantity is an excellent indicator of the presence of strong correlations in these systems, which provide a highly accessible physical model for other strongly correlated quantum fluids. Here we theoretically calculate the temperature dependence of this universal contact for a Fermi gas in free space and in a harmonic trap. At high temperatures above t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.3845","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":"1011.3845","created_at":"2026-05-18T04:18:53.194113+00:00"},{"alias_kind":"arxiv_version","alias_value":"1011.3845v2","created_at":"2026-05-18T04:18:53.194113+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.3845","created_at":"2026-05-18T04:18:53.194113+00:00"},{"alias_kind":"pith_short_12","alias_value":"NW5O7FV33MY6","created_at":"2026-05-18T12:26:10.704358+00:00"},{"alias_kind":"pith_short_16","alias_value":"NW5O7FV33MY6LWDO","created_at":"2026-05-18T12:26:10.704358+00:00"},{"alias_kind":"pith_short_8","alias_value":"NW5O7FV3","created_at":"2026-05-18T12:26:10.704358+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/NW5O7FV33MY6LWDO7NG6AFOT2S","json":"https://pith.science/pith/NW5O7FV33MY6LWDO7NG6AFOT2S.json","graph_json":"https://pith.science/api/pith-number/NW5O7FV33MY6LWDO7NG6AFOT2S/graph.json","events_json":"https://pith.science/api/pith-number/NW5O7FV33MY6LWDO7NG6AFOT2S/events.json","paper":"https://pith.science/paper/NW5O7FV3"},"agent_actions":{"view_html":"https://pith.science/pith/NW5O7FV33MY6LWDO7NG6AFOT2S","download_json":"https://pith.science/pith/NW5O7FV33MY6LWDO7NG6AFOT2S.json","view_paper":"https://pith.science/paper/NW5O7FV3","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1011.3845&json=true","fetch_graph":"https://pith.science/api/pith-number/NW5O7FV33MY6LWDO7NG6AFOT2S/graph.json","fetch_events":"https://pith.science/api/pith-number/NW5O7FV33MY6LWDO7NG6AFOT2S/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NW5O7FV33MY6LWDO7NG6AFOT2S/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NW5O7FV33MY6LWDO7NG6AFOT2S/action/storage_attestation","attest_author":"https://pith.science/pith/NW5O7FV33MY6LWDO7NG6AFOT2S/action/author_attestation","sign_citation":"https://pith.science/pith/NW5O7FV33MY6LWDO7NG6AFOT2S/action/citation_signature","submit_replication":"https://pith.science/pith/NW5O7FV33MY6LWDO7NG6AFOT2S/action/replication_record"}},"created_at":"2026-05-18T04:18:53.194113+00:00","updated_at":"2026-05-18T04:18:53.194113+00:00"}