{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:YKEMPOWRLLCGOVESTZT7TLKNYM","short_pith_number":"pith:YKEMPOWR","schema_version":"1.0","canonical_sha256":"c288c7bad15ac46754929e67f9ad4dc30e50b0b044656a454d5860f9dd03c393","source":{"kind":"arxiv","id":"1201.1471","version":1},"attestation_state":"computed","paper":{"title":"Half-quantum vortex state in a spin-orbit coupled Bose-Einstein condensate","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"Bogdan Opanchuk, B. Ramachandhran, Han Pu, Hui Hu, Peter D. Drummond, Xia-Ji Liu","submitted_at":"2012-01-06T18:44:10Z","abstract_excerpt":"We investigate theoretically the condensate state and collective excitations of a two-component Bose gas in two-dimensional harmonic traps subject to isotropic Rashba spin-orbit coupling. In the weakly interacting regime when the inter-species interaction is larger than the intra-species interaction ($g_{\\uparrow\\downarrow}>g$), we find that the condensate ground state has a half-quantum-angular-momentum vortex configuration with spatial rotational symmetry and skyrmion-type spin texture. Upon increasing the interatomic interaction beyond a threshold $g_{c}$, the ground state starts to involve"},"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":"1201.1471","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2012-01-06T18:44:10Z","cross_cats_sorted":[],"title_canon_sha256":"f3341c4b55b3490575f0f14d6220157fbe938185286fd1ce411a6d167723d151","abstract_canon_sha256":"7eaeca4fab1310b55534f966a64fad57bbb4e822303ad85ac40b7f48b2d7d2ec"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:21:18.882695Z","signature_b64":"5YdqwRyc+oUlPP0Pq03yv2ZsOUuy03VWTDm8NLaEWk/TBogX7kl8VzLAML9vhW51U3RWELGVgJ+2FJkWHpD8Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c288c7bad15ac46754929e67f9ad4dc30e50b0b044656a454d5860f9dd03c393","last_reissued_at":"2026-05-18T02:21:18.882058Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:21:18.882058Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Half-quantum vortex state in a spin-orbit coupled Bose-Einstein condensate","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"Bogdan Opanchuk, B. Ramachandhran, Han Pu, Hui Hu, Peter D. Drummond, Xia-Ji Liu","submitted_at":"2012-01-06T18:44:10Z","abstract_excerpt":"We investigate theoretically the condensate state and collective excitations of a two-component Bose gas in two-dimensional harmonic traps subject to isotropic Rashba spin-orbit coupling. In the weakly interacting regime when the inter-species interaction is larger than the intra-species interaction ($g_{\\uparrow\\downarrow}>g$), we find that the condensate ground state has a half-quantum-angular-momentum vortex configuration with spatial rotational symmetry and skyrmion-type spin texture. Upon increasing the interatomic interaction beyond a threshold $g_{c}$, the ground state starts to involve"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.1471","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":"1201.1471","created_at":"2026-05-18T02:21:18.882165+00:00"},{"alias_kind":"arxiv_version","alias_value":"1201.1471v1","created_at":"2026-05-18T02:21:18.882165+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.1471","created_at":"2026-05-18T02:21:18.882165+00:00"},{"alias_kind":"pith_short_12","alias_value":"YKEMPOWRLLCG","created_at":"2026-05-18T12:27:27.928770+00:00"},{"alias_kind":"pith_short_16","alias_value":"YKEMPOWRLLCGOVES","created_at":"2026-05-18T12:27:27.928770+00:00"},{"alias_kind":"pith_short_8","alias_value":"YKEMPOWR","created_at":"2026-05-18T12:27:27.928770+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/YKEMPOWRLLCGOVESTZT7TLKNYM","json":"https://pith.science/pith/YKEMPOWRLLCGOVESTZT7TLKNYM.json","graph_json":"https://pith.science/api/pith-number/YKEMPOWRLLCGOVESTZT7TLKNYM/graph.json","events_json":"https://pith.science/api/pith-number/YKEMPOWRLLCGOVESTZT7TLKNYM/events.json","paper":"https://pith.science/paper/YKEMPOWR"},"agent_actions":{"view_html":"https://pith.science/pith/YKEMPOWRLLCGOVESTZT7TLKNYM","download_json":"https://pith.science/pith/YKEMPOWRLLCGOVESTZT7TLKNYM.json","view_paper":"https://pith.science/paper/YKEMPOWR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1201.1471&json=true","fetch_graph":"https://pith.science/api/pith-number/YKEMPOWRLLCGOVESTZT7TLKNYM/graph.json","fetch_events":"https://pith.science/api/pith-number/YKEMPOWRLLCGOVESTZT7TLKNYM/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/YKEMPOWRLLCGOVESTZT7TLKNYM/action/timestamp_anchor","attest_storage":"https://pith.science/pith/YKEMPOWRLLCGOVESTZT7TLKNYM/action/storage_attestation","attest_author":"https://pith.science/pith/YKEMPOWRLLCGOVESTZT7TLKNYM/action/author_attestation","sign_citation":"https://pith.science/pith/YKEMPOWRLLCGOVESTZT7TLKNYM/action/citation_signature","submit_replication":"https://pith.science/pith/YKEMPOWRLLCGOVESTZT7TLKNYM/action/replication_record"}},"created_at":"2026-05-18T02:21:18.882165+00:00","updated_at":"2026-05-18T02:21:18.882165+00:00"}