{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:UMVHJPO22O6MSEO66SDEMMGPVU","short_pith_number":"pith:UMVHJPO2","schema_version":"1.0","canonical_sha256":"a32a74bddad3bcc911def4864630cfad1797ad77a57433426a8ed32cc4009a6c","source":{"kind":"arxiv","id":"1803.06331","version":4},"attestation_state":"computed","paper":{"title":"Measurement of the Dynamical Structure Factor of a 1D Interacting Fermi Gas","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas"],"primary_cat":"physics.atom-ph","authors_text":"C. Y. Shih, P. Gri\\v{s}ins, R. G. Hulet, T. Giamarchi, T. L. Yang, Y. T. Chang, Z. H. Zhao","submitted_at":"2018-03-16T17:34:54Z","abstract_excerpt":"We present measurements of the dynamical structure factor $S(q,\\omega)$ of an interacting one-dimensional (1D) Fermi gas for small excitation energies. We use the two lowest hyperfine levels of the $^6$Li atom to form a pseudo-spin-1/2 system whose s-wave interactions are tunable via a Feshbach resonance. The atoms are confined to 1D by a two-dimensional optical lattice. Bragg spectroscopy is used to measure a response of the gas to density (\"charge\") mode excitations at a momentum $q$ and frequency $\\omega$. The spectrum is obtained by varying $\\omega$, while the angle between two laser beams"},"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":"1803.06331","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2018-03-16T17:34:54Z","cross_cats_sorted":["cond-mat.quant-gas"],"title_canon_sha256":"20cde612ec4b62caeeeae5dc74cf612b654c6147d26144f3d4e67d8782aee711","abstract_canon_sha256":"b1fe5719b678e275a4e8ff639f7f99e61665f998a105e1626c0d9ff5869e7a0c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:06:04.781865Z","signature_b64":"yTFFAnCRzZKH71bUYW5F3ZmxnRI0HWn8v1NbXhOkPXIt4beu3MLNxOM/45ruY1KSjcDHp2A9Zbe8A9OgVXi7Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a32a74bddad3bcc911def4864630cfad1797ad77a57433426a8ed32cc4009a6c","last_reissued_at":"2026-05-18T00:06:04.781388Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:06:04.781388Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Measurement of the Dynamical Structure Factor of a 1D Interacting Fermi Gas","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas"],"primary_cat":"physics.atom-ph","authors_text":"C. Y. Shih, P. Gri\\v{s}ins, R. G. Hulet, T. Giamarchi, T. L. Yang, Y. T. Chang, Z. H. Zhao","submitted_at":"2018-03-16T17:34:54Z","abstract_excerpt":"We present measurements of the dynamical structure factor $S(q,\\omega)$ of an interacting one-dimensional (1D) Fermi gas for small excitation energies. We use the two lowest hyperfine levels of the $^6$Li atom to form a pseudo-spin-1/2 system whose s-wave interactions are tunable via a Feshbach resonance. The atoms are confined to 1D by a two-dimensional optical lattice. Bragg spectroscopy is used to measure a response of the gas to density (\"charge\") mode excitations at a momentum $q$ and frequency $\\omega$. The spectrum is obtained by varying $\\omega$, while the angle between two laser beams"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.06331","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":""},"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":"1803.06331","created_at":"2026-05-18T00:06:04.781447+00:00"},{"alias_kind":"arxiv_version","alias_value":"1803.06331v4","created_at":"2026-05-18T00:06:04.781447+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.06331","created_at":"2026-05-18T00:06:04.781447+00:00"},{"alias_kind":"pith_short_12","alias_value":"UMVHJPO22O6M","created_at":"2026-05-18T12:32:56.356000+00:00"},{"alias_kind":"pith_short_16","alias_value":"UMVHJPO22O6MSEO6","created_at":"2026-05-18T12:32:56.356000+00:00"},{"alias_kind":"pith_short_8","alias_value":"UMVHJPO2","created_at":"2026-05-18T12:32:56.356000+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/UMVHJPO22O6MSEO66SDEMMGPVU","json":"https://pith.science/pith/UMVHJPO22O6MSEO66SDEMMGPVU.json","graph_json":"https://pith.science/api/pith-number/UMVHJPO22O6MSEO66SDEMMGPVU/graph.json","events_json":"https://pith.science/api/pith-number/UMVHJPO22O6MSEO66SDEMMGPVU/events.json","paper":"https://pith.science/paper/UMVHJPO2"},"agent_actions":{"view_html":"https://pith.science/pith/UMVHJPO22O6MSEO66SDEMMGPVU","download_json":"https://pith.science/pith/UMVHJPO22O6MSEO66SDEMMGPVU.json","view_paper":"https://pith.science/paper/UMVHJPO2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1803.06331&json=true","fetch_graph":"https://pith.science/api/pith-number/UMVHJPO22O6MSEO66SDEMMGPVU/graph.json","fetch_events":"https://pith.science/api/pith-number/UMVHJPO22O6MSEO66SDEMMGPVU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/UMVHJPO22O6MSEO66SDEMMGPVU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/UMVHJPO22O6MSEO66SDEMMGPVU/action/storage_attestation","attest_author":"https://pith.science/pith/UMVHJPO22O6MSEO66SDEMMGPVU/action/author_attestation","sign_citation":"https://pith.science/pith/UMVHJPO22O6MSEO66SDEMMGPVU/action/citation_signature","submit_replication":"https://pith.science/pith/UMVHJPO22O6MSEO66SDEMMGPVU/action/replication_record"}},"created_at":"2026-05-18T00:06:04.781447+00:00","updated_at":"2026-05-18T00:06:04.781447+00:00"}