{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:K4CFWE7N6KBNYLOM7MBYY7DIAX","short_pith_number":"pith:K4CFWE7N","schema_version":"1.0","canonical_sha256":"57045b13edf282dc2dccfb038c7c6805fd6a3ea947e7846860a08fcf7780dde6","source":{"kind":"arxiv","id":"1402.4339","version":2},"attestation_state":"computed","paper":{"title":"Spin-Flipping Half Vortex in a Macroscopic Polariton Spinor Ring Condensate","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"Andrew Daley, David W. Snoke, Gangqiang Liu, Kenneth West, Loren Pfeiffer","submitted_at":"2014-02-18T13:59:23Z","abstract_excerpt":"We report the observation of vorticity in a macroscopic Bose-Einstein condensate of polaritons in a ring geometry. Because it is a spinor condensate, the elementary excitations are \"half vortices\" in which there is a phase rotation of $\\pi$ in connection with a polarization vector rotation of $\\pi$ around a closed path. This is clearly seen in the experimental observations of the polarization rotation around the ring. In the ring geometry, a new type of half vortex is allowed in which the handedness of the spin flips from one side of the ring to the other, in addition to the rotation of the li"},"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":"1402.4339","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2014-02-18T13:59:23Z","cross_cats_sorted":[],"title_canon_sha256":"c86e5f42849e5ef422e06764532557561ea7ee5d54a02850ab3c84f7ec71192b","abstract_canon_sha256":"ff75bcc3268670a22fd063876f07503e7fdb8784ab8e7773617872bcd8029e9b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:26:39.241934Z","signature_b64":"sXCTGMDNtf/FNw13wcReazUwxD8105PksSorIn0EpqwnRBHXp580+Id7n7hPOHPgxAS5kSzXjHOvMV+4HVDjCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"57045b13edf282dc2dccfb038c7c6805fd6a3ea947e7846860a08fcf7780dde6","last_reissued_at":"2026-05-18T02:26:39.241419Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:26:39.241419Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Spin-Flipping Half Vortex in a Macroscopic Polariton Spinor Ring Condensate","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"Andrew Daley, David W. Snoke, Gangqiang Liu, Kenneth West, Loren Pfeiffer","submitted_at":"2014-02-18T13:59:23Z","abstract_excerpt":"We report the observation of vorticity in a macroscopic Bose-Einstein condensate of polaritons in a ring geometry. Because it is a spinor condensate, the elementary excitations are \"half vortices\" in which there is a phase rotation of $\\pi$ in connection with a polarization vector rotation of $\\pi$ around a closed path. This is clearly seen in the experimental observations of the polarization rotation around the ring. In the ring geometry, a new type of half vortex is allowed in which the handedness of the spin flips from one side of the ring to the other, in addition to the rotation of the li"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.4339","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":"1402.4339","created_at":"2026-05-18T02:26:39.241497+00:00"},{"alias_kind":"arxiv_version","alias_value":"1402.4339v2","created_at":"2026-05-18T02:26:39.241497+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.4339","created_at":"2026-05-18T02:26:39.241497+00:00"},{"alias_kind":"pith_short_12","alias_value":"K4CFWE7N6KBN","created_at":"2026-05-18T12:28:35.611951+00:00"},{"alias_kind":"pith_short_16","alias_value":"K4CFWE7N6KBNYLOM","created_at":"2026-05-18T12:28:35.611951+00:00"},{"alias_kind":"pith_short_8","alias_value":"K4CFWE7N","created_at":"2026-05-18T12:28:35.611951+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/K4CFWE7N6KBNYLOM7MBYY7DIAX","json":"https://pith.science/pith/K4CFWE7N6KBNYLOM7MBYY7DIAX.json","graph_json":"https://pith.science/api/pith-number/K4CFWE7N6KBNYLOM7MBYY7DIAX/graph.json","events_json":"https://pith.science/api/pith-number/K4CFWE7N6KBNYLOM7MBYY7DIAX/events.json","paper":"https://pith.science/paper/K4CFWE7N"},"agent_actions":{"view_html":"https://pith.science/pith/K4CFWE7N6KBNYLOM7MBYY7DIAX","download_json":"https://pith.science/pith/K4CFWE7N6KBNYLOM7MBYY7DIAX.json","view_paper":"https://pith.science/paper/K4CFWE7N","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1402.4339&json=true","fetch_graph":"https://pith.science/api/pith-number/K4CFWE7N6KBNYLOM7MBYY7DIAX/graph.json","fetch_events":"https://pith.science/api/pith-number/K4CFWE7N6KBNYLOM7MBYY7DIAX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/K4CFWE7N6KBNYLOM7MBYY7DIAX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/K4CFWE7N6KBNYLOM7MBYY7DIAX/action/storage_attestation","attest_author":"https://pith.science/pith/K4CFWE7N6KBNYLOM7MBYY7DIAX/action/author_attestation","sign_citation":"https://pith.science/pith/K4CFWE7N6KBNYLOM7MBYY7DIAX/action/citation_signature","submit_replication":"https://pith.science/pith/K4CFWE7N6KBNYLOM7MBYY7DIAX/action/replication_record"}},"created_at":"2026-05-18T02:26:39.241497+00:00","updated_at":"2026-05-18T02:26:39.241497+00:00"}