{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2004:FPYFETHW75X3TA4CTM7EI37257","short_pith_number":"pith:FPYFETHW","schema_version":"1.0","canonical_sha256":"2bf0524cf6ff6fb983829b3e446ffaefda00672c52ecc8548b7248b5be50a1b7","source":{"kind":"arxiv","id":"physics/0412048","version":2},"attestation_state":"computed","paper":{"title":"Zero-Temperature Theory of Collisionless Rapid Adiabatic Passage from a Fermi Degenerate Gas of Atoms to a Bose-Einstein Condensate of Molecules","license":"","headline":"","cross_cats":["cond-mat.soft","cond-mat.stat-mech","physics.chem-ph","quant-ph"],"primary_cat":"physics.atom-ph","authors_text":"Matt Mackie, Olavi Dannenberg","submitted_at":"2004-12-08T13:25:18Z","abstract_excerpt":"We theoretically examine a zero-temperature system of Fermi degenerate atoms coupled to bosonic molecules via collisionless rapid adiabatic passage across a Feshbach resonance, focusing on saturation of the molecular conversion efficiency at the slowest magnetic-field sweep rates. Borrowing a novel MANY-FERMION Fock-state theory, we find that a proper model of the magnetic-field sweep can systematically remove saturation. We also debunk the common misconception that many-body effects are responsible for molecules existing above the two-body threshold."},"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":"physics/0412048","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"physics.atom-ph","submitted_at":"2004-12-08T13:25:18Z","cross_cats_sorted":["cond-mat.soft","cond-mat.stat-mech","physics.chem-ph","quant-ph"],"title_canon_sha256":"2bc891821392d5027254aa79b92caa5869fc31b375de33a6975379a84823a4a9","abstract_canon_sha256":"ff2dc5f6fa005dac6012c98a185ac0f4f6de26e3fe085a70e6b03f55c7373a47"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:05:08.620710Z","signature_b64":"OAFFCMsJO+Qz0ABahHg7ohUfNn948UgPoxLa/d7ADa5Va7kVeyQqQjQWqzqWA3ZvskAKmyTiG17mL5QyfrMZDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2bf0524cf6ff6fb983829b3e446ffaefda00672c52ecc8548b7248b5be50a1b7","last_reissued_at":"2026-05-18T01:05:08.619944Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:05:08.619944Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Zero-Temperature Theory of Collisionless Rapid Adiabatic Passage from a Fermi Degenerate Gas of Atoms to a Bose-Einstein Condensate of Molecules","license":"","headline":"","cross_cats":["cond-mat.soft","cond-mat.stat-mech","physics.chem-ph","quant-ph"],"primary_cat":"physics.atom-ph","authors_text":"Matt Mackie, Olavi Dannenberg","submitted_at":"2004-12-08T13:25:18Z","abstract_excerpt":"We theoretically examine a zero-temperature system of Fermi degenerate atoms coupled to bosonic molecules via collisionless rapid adiabatic passage across a Feshbach resonance, focusing on saturation of the molecular conversion efficiency at the slowest magnetic-field sweep rates. Borrowing a novel MANY-FERMION Fock-state theory, we find that a proper model of the magnetic-field sweep can systematically remove saturation. We also debunk the common misconception that many-body effects are responsible for molecules existing above the two-body threshold."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"physics/0412048","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":"physics/0412048","created_at":"2026-05-18T01:05:08.620078+00:00"},{"alias_kind":"arxiv_version","alias_value":"physics/0412048v2","created_at":"2026-05-18T01:05:08.620078+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.physics/0412048","created_at":"2026-05-18T01:05:08.620078+00:00"},{"alias_kind":"pith_short_12","alias_value":"FPYFETHW75X3","created_at":"2026-05-18T12:25:52.687210+00:00"},{"alias_kind":"pith_short_16","alias_value":"FPYFETHW75X3TA4C","created_at":"2026-05-18T12:25:52.687210+00:00"},{"alias_kind":"pith_short_8","alias_value":"FPYFETHW","created_at":"2026-05-18T12:25:52.687210+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/FPYFETHW75X3TA4CTM7EI37257","json":"https://pith.science/pith/FPYFETHW75X3TA4CTM7EI37257.json","graph_json":"https://pith.science/api/pith-number/FPYFETHW75X3TA4CTM7EI37257/graph.json","events_json":"https://pith.science/api/pith-number/FPYFETHW75X3TA4CTM7EI37257/events.json","paper":"https://pith.science/paper/FPYFETHW"},"agent_actions":{"view_html":"https://pith.science/pith/FPYFETHW75X3TA4CTM7EI37257","download_json":"https://pith.science/pith/FPYFETHW75X3TA4CTM7EI37257.json","view_paper":"https://pith.science/paper/FPYFETHW","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=physics/0412048&json=true","fetch_graph":"https://pith.science/api/pith-number/FPYFETHW75X3TA4CTM7EI37257/graph.json","fetch_events":"https://pith.science/api/pith-number/FPYFETHW75X3TA4CTM7EI37257/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/FPYFETHW75X3TA4CTM7EI37257/action/timestamp_anchor","attest_storage":"https://pith.science/pith/FPYFETHW75X3TA4CTM7EI37257/action/storage_attestation","attest_author":"https://pith.science/pith/FPYFETHW75X3TA4CTM7EI37257/action/author_attestation","sign_citation":"https://pith.science/pith/FPYFETHW75X3TA4CTM7EI37257/action/citation_signature","submit_replication":"https://pith.science/pith/FPYFETHW75X3TA4CTM7EI37257/action/replication_record"}},"created_at":"2026-05-18T01:05:08.620078+00:00","updated_at":"2026-05-18T01:05:08.620078+00:00"}