{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:GB44OCZABD2LVM2ZM35DVFAROZ","short_pith_number":"pith:GB44OCZA","schema_version":"1.0","canonical_sha256":"3079c70b2008f4bab35966fa3a941176596291248641d32cf5ea5c204922537f","source":{"kind":"arxiv","id":"1111.2031","version":3},"attestation_state":"computed","paper":{"title":"Macroscopic superposition states of ultracold bosons in a double-well potential","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"D. R. Dounas-Frazer, Lincoln D. Carr, M. A. Garcia-March","submitted_at":"2011-11-08T20:06:29Z","abstract_excerpt":"We present a thorough description of the physical regimes for ultracold bosons in double wells, with special attention paid to macroscopic superpositions (MSs). We use a generalization of the Lipkin-Meshkov-Glick Hamiltonian of up to eight single particle modes to study these MSs, solving the Hamiltonian with a combination of numerical exact diagonalization and high-order perturbation theory. The MS is between left and right potential wells; the extreme case with all atoms simultaneously located in both wells and in only two modes is the famous NOON state, but our approach encompasses much mor"},"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":"1111.2031","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2011-11-08T20:06:29Z","cross_cats_sorted":[],"title_canon_sha256":"759a3503c00fc753dd23b8e1e66d6e137da46f4d3d91c3d59d535bff54d9a8c6","abstract_canon_sha256":"ded7f67060e54b5bdc955d814fe593f5c98289fcd3560b3a6e551530b9574d42"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:02:14.827785Z","signature_b64":"y/atRLn0QOEaK3EnOKtfYY2qGmmQ13IYVD0RQc1ZCqVgjyWVC+CgEH2mIYfBWsikPxalA+ioGA0QjRdiiTwUBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3079c70b2008f4bab35966fa3a941176596291248641d32cf5ea5c204922537f","last_reissued_at":"2026-05-18T04:02:14.826978Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:02:14.826978Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Macroscopic superposition states of ultracold bosons in a double-well potential","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"D. R. Dounas-Frazer, Lincoln D. Carr, M. A. Garcia-March","submitted_at":"2011-11-08T20:06:29Z","abstract_excerpt":"We present a thorough description of the physical regimes for ultracold bosons in double wells, with special attention paid to macroscopic superpositions (MSs). We use a generalization of the Lipkin-Meshkov-Glick Hamiltonian of up to eight single particle modes to study these MSs, solving the Hamiltonian with a combination of numerical exact diagonalization and high-order perturbation theory. The MS is between left and right potential wells; the extreme case with all atoms simultaneously located in both wells and in only two modes is the famous NOON state, but our approach encompasses much mor"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.2031","kind":"arxiv","version":3},"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":"1111.2031","created_at":"2026-05-18T04:02:14.827113+00:00"},{"alias_kind":"arxiv_version","alias_value":"1111.2031v3","created_at":"2026-05-18T04:02:14.827113+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.2031","created_at":"2026-05-18T04:02:14.827113+00:00"},{"alias_kind":"pith_short_12","alias_value":"GB44OCZABD2L","created_at":"2026-05-18T12:26:28.662955+00:00"},{"alias_kind":"pith_short_16","alias_value":"GB44OCZABD2LVM2Z","created_at":"2026-05-18T12:26:28.662955+00:00"},{"alias_kind":"pith_short_8","alias_value":"GB44OCZA","created_at":"2026-05-18T12:26:28.662955+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/GB44OCZABD2LVM2ZM35DVFAROZ","json":"https://pith.science/pith/GB44OCZABD2LVM2ZM35DVFAROZ.json","graph_json":"https://pith.science/api/pith-number/GB44OCZABD2LVM2ZM35DVFAROZ/graph.json","events_json":"https://pith.science/api/pith-number/GB44OCZABD2LVM2ZM35DVFAROZ/events.json","paper":"https://pith.science/paper/GB44OCZA"},"agent_actions":{"view_html":"https://pith.science/pith/GB44OCZABD2LVM2ZM35DVFAROZ","download_json":"https://pith.science/pith/GB44OCZABD2LVM2ZM35DVFAROZ.json","view_paper":"https://pith.science/paper/GB44OCZA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1111.2031&json=true","fetch_graph":"https://pith.science/api/pith-number/GB44OCZABD2LVM2ZM35DVFAROZ/graph.json","fetch_events":"https://pith.science/api/pith-number/GB44OCZABD2LVM2ZM35DVFAROZ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/GB44OCZABD2LVM2ZM35DVFAROZ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/GB44OCZABD2LVM2ZM35DVFAROZ/action/storage_attestation","attest_author":"https://pith.science/pith/GB44OCZABD2LVM2ZM35DVFAROZ/action/author_attestation","sign_citation":"https://pith.science/pith/GB44OCZABD2LVM2ZM35DVFAROZ/action/citation_signature","submit_replication":"https://pith.science/pith/GB44OCZABD2LVM2ZM35DVFAROZ/action/replication_record"}},"created_at":"2026-05-18T04:02:14.827113+00:00","updated_at":"2026-05-18T04:02:14.827113+00:00"}