{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:IROEOCSP45DOIC7VCE25U5C2AE","short_pith_number":"pith:IROEOCSP","schema_version":"1.0","canonical_sha256":"445c470a4fe746e40bf51135da745a01074ae87cbbe89978b1cfc7cee5753636","source":{"kind":"arxiv","id":"1407.2460","version":1},"attestation_state":"computed","paper":{"title":"Collective excitations of a harmonically trapped, two-dimensional, spin-polarized dipolar Fermi gas in the hydrodynamic regime","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"B. P. van Zyl, E. Zaremba, J. Towers","submitted_at":"2014-07-09T12:39:27Z","abstract_excerpt":"The collective excitations of a zero-temperature, spin-polarized, harmonically trapped, two-dimensional dipolar Fermi gas are examined within the Thomas-Fermi von Weizs\\\"acker hydrodynamic theory. We focus on repulsive interactions, and investigate the dependence of the excitation frequencies on the strength of the dipolar interaction and particle number. We find that the mode spectrum can be classified according to bulk modes, whose frequencies are shifted upward as the interaction strength is increased, and an infinite ladder of surface modes, whose frequencies are {\\em independent} of the i"},"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":"1407.2460","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2014-07-09T12:39:27Z","cross_cats_sorted":[],"title_canon_sha256":"09371840ea5c4a64408721933234b2c4c8c24ed8c199c2c200ec613d860fd452","abstract_canon_sha256":"085909b6b0d0a6d0f576c4ee1a1f223764e95ac59583308b9c2b6cedc2278021"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:42:38.657068Z","signature_b64":"YPCeQLlm32K2aJRt6wHdQ2e+Usf2Bs5cLE8TNgGNd+qp/8DPndLOwae5C51b3N/WPCKqLQATrCKp6oxnj6qVAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"445c470a4fe746e40bf51135da745a01074ae87cbbe89978b1cfc7cee5753636","last_reissued_at":"2026-05-18T01:42:38.656569Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:42:38.656569Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Collective excitations of a harmonically trapped, two-dimensional, spin-polarized dipolar Fermi gas in the hydrodynamic regime","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"B. P. van Zyl, E. Zaremba, J. Towers","submitted_at":"2014-07-09T12:39:27Z","abstract_excerpt":"The collective excitations of a zero-temperature, spin-polarized, harmonically trapped, two-dimensional dipolar Fermi gas are examined within the Thomas-Fermi von Weizs\\\"acker hydrodynamic theory. We focus on repulsive interactions, and investigate the dependence of the excitation frequencies on the strength of the dipolar interaction and particle number. We find that the mode spectrum can be classified according to bulk modes, whose frequencies are shifted upward as the interaction strength is increased, and an infinite ladder of surface modes, whose frequencies are {\\em independent} of the i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.2460","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":""},"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":"1407.2460","created_at":"2026-05-18T01:42:38.656651+00:00"},{"alias_kind":"arxiv_version","alias_value":"1407.2460v1","created_at":"2026-05-18T01:42:38.656651+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.2460","created_at":"2026-05-18T01:42:38.656651+00:00"},{"alias_kind":"pith_short_12","alias_value":"IROEOCSP45DO","created_at":"2026-05-18T12:28:33.132498+00:00"},{"alias_kind":"pith_short_16","alias_value":"IROEOCSP45DOIC7V","created_at":"2026-05-18T12:28:33.132498+00:00"},{"alias_kind":"pith_short_8","alias_value":"IROEOCSP","created_at":"2026-05-18T12:28:33.132498+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/IROEOCSP45DOIC7VCE25U5C2AE","json":"https://pith.science/pith/IROEOCSP45DOIC7VCE25U5C2AE.json","graph_json":"https://pith.science/api/pith-number/IROEOCSP45DOIC7VCE25U5C2AE/graph.json","events_json":"https://pith.science/api/pith-number/IROEOCSP45DOIC7VCE25U5C2AE/events.json","paper":"https://pith.science/paper/IROEOCSP"},"agent_actions":{"view_html":"https://pith.science/pith/IROEOCSP45DOIC7VCE25U5C2AE","download_json":"https://pith.science/pith/IROEOCSP45DOIC7VCE25U5C2AE.json","view_paper":"https://pith.science/paper/IROEOCSP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1407.2460&json=true","fetch_graph":"https://pith.science/api/pith-number/IROEOCSP45DOIC7VCE25U5C2AE/graph.json","fetch_events":"https://pith.science/api/pith-number/IROEOCSP45DOIC7VCE25U5C2AE/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IROEOCSP45DOIC7VCE25U5C2AE/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IROEOCSP45DOIC7VCE25U5C2AE/action/storage_attestation","attest_author":"https://pith.science/pith/IROEOCSP45DOIC7VCE25U5C2AE/action/author_attestation","sign_citation":"https://pith.science/pith/IROEOCSP45DOIC7VCE25U5C2AE/action/citation_signature","submit_replication":"https://pith.science/pith/IROEOCSP45DOIC7VCE25U5C2AE/action/replication_record"}},"created_at":"2026-05-18T01:42:38.656651+00:00","updated_at":"2026-05-18T01:42:38.656651+00:00"}