{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:JX5LOWE5LJDNJSSRNM6UMEI5QR","short_pith_number":"pith:JX5LOWE5","schema_version":"1.0","canonical_sha256":"4dfab7589d5a46d4ca516b3d46111d846378d29a088487e515584e8c8e87f34a","source":{"kind":"arxiv","id":"1102.1576","version":4},"attestation_state":"computed","paper":{"title":"Dual-Species Bose-Einstein Condensate of $^{87}$Rb and $^{133}$Cs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.atom-ph","authors_text":"D. J. McCarron, D. L. Jenkin, H. W. Cho, M. P. K\\\"oppinger, S. L. Cornish","submitted_at":"2011-02-08T11:40:15Z","abstract_excerpt":"We report the formation of a dual-species Bose-Einstein condensate of $^{87}$Rb and $^{133}$Cs in the same trapping potential. Our method exploits the efficient sympathetic cooling of $^{133}$Cs via elastic collisions with $^{87}$Rb, initially in a magnetic quadrupole trap and subsequently in a levitated optical trap. The two condensates each contain up to $2\\times10^{4}$ atoms and exhibit a striking phase separation, revealing the mixture to be immiscible due to strong repulsive interspecies interactions. Sacrificing all the $^{87}$Rb during the cooling, we create single species $^{133}$Cs co"},"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":"1102.1576","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2011-02-08T11:40:15Z","cross_cats_sorted":[],"title_canon_sha256":"4e49c6841a85510218da29ff9f2631c4ac7a0c9953d2b60b0d764fc5b2171bab","abstract_canon_sha256":"5d86afd8b2c44c5f2914391a757d2e2be41336fb575d713bafc85571543d0d71"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:16:02.033886Z","signature_b64":"0OIA/Bs7/RwlipKPSSD7/ZfdX1Mzgo0dgXFsL7llXGstiVmTkXQDCWuPQM13UWfsNimNHUYzLog0EiNg5sEPCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4dfab7589d5a46d4ca516b3d46111d846378d29a088487e515584e8c8e87f34a","last_reissued_at":"2026-05-18T04:16:02.033174Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:16:02.033174Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Dual-Species Bose-Einstein Condensate of $^{87}$Rb and $^{133}$Cs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.atom-ph","authors_text":"D. J. McCarron, D. L. Jenkin, H. W. Cho, M. P. K\\\"oppinger, S. L. Cornish","submitted_at":"2011-02-08T11:40:15Z","abstract_excerpt":"We report the formation of a dual-species Bose-Einstein condensate of $^{87}$Rb and $^{133}$Cs in the same trapping potential. Our method exploits the efficient sympathetic cooling of $^{133}$Cs via elastic collisions with $^{87}$Rb, initially in a magnetic quadrupole trap and subsequently in a levitated optical trap. The two condensates each contain up to $2\\times10^{4}$ atoms and exhibit a striking phase separation, revealing the mixture to be immiscible due to strong repulsive interspecies interactions. Sacrificing all the $^{87}$Rb during the cooling, we create single species $^{133}$Cs co"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.1576","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":"1102.1576","created_at":"2026-05-18T04:16:02.033271+00:00"},{"alias_kind":"arxiv_version","alias_value":"1102.1576v4","created_at":"2026-05-18T04:16:02.033271+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.1576","created_at":"2026-05-18T04:16:02.033271+00:00"},{"alias_kind":"pith_short_12","alias_value":"JX5LOWE5LJDN","created_at":"2026-05-18T12:26:32.869790+00:00"},{"alias_kind":"pith_short_16","alias_value":"JX5LOWE5LJDNJSSR","created_at":"2026-05-18T12:26:32.869790+00:00"},{"alias_kind":"pith_short_8","alias_value":"JX5LOWE5","created_at":"2026-05-18T12:26:32.869790+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/JX5LOWE5LJDNJSSRNM6UMEI5QR","json":"https://pith.science/pith/JX5LOWE5LJDNJSSRNM6UMEI5QR.json","graph_json":"https://pith.science/api/pith-number/JX5LOWE5LJDNJSSRNM6UMEI5QR/graph.json","events_json":"https://pith.science/api/pith-number/JX5LOWE5LJDNJSSRNM6UMEI5QR/events.json","paper":"https://pith.science/paper/JX5LOWE5"},"agent_actions":{"view_html":"https://pith.science/pith/JX5LOWE5LJDNJSSRNM6UMEI5QR","download_json":"https://pith.science/pith/JX5LOWE5LJDNJSSRNM6UMEI5QR.json","view_paper":"https://pith.science/paper/JX5LOWE5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1102.1576&json=true","fetch_graph":"https://pith.science/api/pith-number/JX5LOWE5LJDNJSSRNM6UMEI5QR/graph.json","fetch_events":"https://pith.science/api/pith-number/JX5LOWE5LJDNJSSRNM6UMEI5QR/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JX5LOWE5LJDNJSSRNM6UMEI5QR/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JX5LOWE5LJDNJSSRNM6UMEI5QR/action/storage_attestation","attest_author":"https://pith.science/pith/JX5LOWE5LJDNJSSRNM6UMEI5QR/action/author_attestation","sign_citation":"https://pith.science/pith/JX5LOWE5LJDNJSSRNM6UMEI5QR/action/citation_signature","submit_replication":"https://pith.science/pith/JX5LOWE5LJDNJSSRNM6UMEI5QR/action/replication_record"}},"created_at":"2026-05-18T04:16:02.033271+00:00","updated_at":"2026-05-18T04:16:02.033271+00:00"}