{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:XBBW2DYUV2NAEV7B7U4MSMW3BB","short_pith_number":"pith:XBBW2DYU","schema_version":"1.0","canonical_sha256":"b8436d0f14ae9a0257e1fd38c932db0863a36dc3c1305e91191f826a49180082","source":{"kind":"arxiv","id":"1405.3744","version":1},"attestation_state":"computed","paper":{"title":"Coupled pair approach for strongly-interacting trapped fermionic atoms","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"A. M. Martin, B. C. Mulkerin, C. J. Bradly, H. M. Quiney","submitted_at":"2014-05-15T05:04:58Z","abstract_excerpt":"We present a coupled pair approach for studying few-body physics in harmonically trapped ultracold gases. The method is applied to a two-component Fermi system of $N$ particles. A stochastically variational gaussian expansion method is applied, focusing on optimization of the two-body correlations present in the strongly interacting, or unitary, limit. The groundstate energy of the four-, six- and eight-body problem with equal spin populations is calculated with high accuracy and minimal computational effort. We also calculate the structural properties of these systems and discuss their implic"},"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":"1405.3744","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2014-05-15T05:04:58Z","cross_cats_sorted":[],"title_canon_sha256":"1f0545f7daec50c759bf4c8a129462c049acb7a28ef05a8e3140415a864ff627","abstract_canon_sha256":"72162f491a9307ddd4d749980893751dac8fd262adce7f50d7fc4d6b150a1214"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:44:17.407979Z","signature_b64":"5iRb/m2cCjj95kOByUHiJk4nnM0X4n4wZV4RuzerpDSrjfUjoq+lUdQPMNIFiztqglQQJiqlQNcTCKL/fF3+CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b8436d0f14ae9a0257e1fd38c932db0863a36dc3c1305e91191f826a49180082","last_reissued_at":"2026-05-18T02:44:17.407543Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:44:17.407543Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Coupled pair approach for strongly-interacting trapped fermionic atoms","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"A. M. Martin, B. C. Mulkerin, C. J. Bradly, H. M. Quiney","submitted_at":"2014-05-15T05:04:58Z","abstract_excerpt":"We present a coupled pair approach for studying few-body physics in harmonically trapped ultracold gases. The method is applied to a two-component Fermi system of $N$ particles. A stochastically variational gaussian expansion method is applied, focusing on optimization of the two-body correlations present in the strongly interacting, or unitary, limit. The groundstate energy of the four-, six- and eight-body problem with equal spin populations is calculated with high accuracy and minimal computational effort. We also calculate the structural properties of these systems and discuss their implic"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.3744","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":"1405.3744","created_at":"2026-05-18T02:44:17.407610+00:00"},{"alias_kind":"arxiv_version","alias_value":"1405.3744v1","created_at":"2026-05-18T02:44:17.407610+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.3744","created_at":"2026-05-18T02:44:17.407610+00:00"},{"alias_kind":"pith_short_12","alias_value":"XBBW2DYUV2NA","created_at":"2026-05-18T12:28:57.508820+00:00"},{"alias_kind":"pith_short_16","alias_value":"XBBW2DYUV2NAEV7B","created_at":"2026-05-18T12:28:57.508820+00:00"},{"alias_kind":"pith_short_8","alias_value":"XBBW2DYU","created_at":"2026-05-18T12:28:57.508820+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/XBBW2DYUV2NAEV7B7U4MSMW3BB","json":"https://pith.science/pith/XBBW2DYUV2NAEV7B7U4MSMW3BB.json","graph_json":"https://pith.science/api/pith-number/XBBW2DYUV2NAEV7B7U4MSMW3BB/graph.json","events_json":"https://pith.science/api/pith-number/XBBW2DYUV2NAEV7B7U4MSMW3BB/events.json","paper":"https://pith.science/paper/XBBW2DYU"},"agent_actions":{"view_html":"https://pith.science/pith/XBBW2DYUV2NAEV7B7U4MSMW3BB","download_json":"https://pith.science/pith/XBBW2DYUV2NAEV7B7U4MSMW3BB.json","view_paper":"https://pith.science/paper/XBBW2DYU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1405.3744&json=true","fetch_graph":"https://pith.science/api/pith-number/XBBW2DYUV2NAEV7B7U4MSMW3BB/graph.json","fetch_events":"https://pith.science/api/pith-number/XBBW2DYUV2NAEV7B7U4MSMW3BB/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/XBBW2DYUV2NAEV7B7U4MSMW3BB/action/timestamp_anchor","attest_storage":"https://pith.science/pith/XBBW2DYUV2NAEV7B7U4MSMW3BB/action/storage_attestation","attest_author":"https://pith.science/pith/XBBW2DYUV2NAEV7B7U4MSMW3BB/action/author_attestation","sign_citation":"https://pith.science/pith/XBBW2DYUV2NAEV7B7U4MSMW3BB/action/citation_signature","submit_replication":"https://pith.science/pith/XBBW2DYUV2NAEV7B7U4MSMW3BB/action/replication_record"}},"created_at":"2026-05-18T02:44:17.407610+00:00","updated_at":"2026-05-18T02:44:17.407610+00:00"}