{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:FIDUCWUUDXQCCWCO67W56RVPGP","short_pith_number":"pith:FIDUCWUU","schema_version":"1.0","canonical_sha256":"2a07415a941de021584ef7eddf46af33f1faec25a8f7faa0a25dd369e71549bc","source":{"kind":"arxiv","id":"1405.3399","version":1},"attestation_state":"computed","paper":{"title":"Emergence of order from turbulence in an isolated planar superfluid","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.flu-dyn","quant-ph"],"primary_cat":"cond-mat.quant-gas","authors_text":"Kristian Helmerson, Matthew J. Davis, Tapio Simula","submitted_at":"2014-05-14T08:05:43Z","abstract_excerpt":"We study the relaxation dynamics of an isolated zero temperature quasi-two-dimensional superfluid Bose-Einstein condensate (BEC) that is imprinted with a spatially random distribution of quantum vortices. Following a period of vortex annihilation, we find that the remaining vortices self-organise into two macroscopic coherent `Onsager vortex' clusters that are stable indefinitely. We demonstrate that this occurs due to a novel physical mechanism --- the evaporative heating of the vortices --- that results in a negative temperature phase transition in the vortex degrees of freedom. At the end o"},"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":"1405.3399","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2014-05-14T08:05:43Z","cross_cats_sorted":["physics.flu-dyn","quant-ph"],"title_canon_sha256":"4f417238a8b8183c71c7e85c2b9db91d88e3cfb7f892aa202af68e8e1fb447a8","abstract_canon_sha256":"0d3e1ddc6f27993ba508bb059be62683260db57195663d9f62a5684332e36bb6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:39:40.527096Z","signature_b64":"G44viZLHTvmMAM8fzTZVKF60ytpHi+A0PNtHGM8VqJiVMY0IiS8EnxrCQQxL9w9BRbMduGQgz03AsC6w+890BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2a07415a941de021584ef7eddf46af33f1faec25a8f7faa0a25dd369e71549bc","last_reissued_at":"2026-05-18T02:39:40.526567Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:39:40.526567Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Emergence of order from turbulence in an isolated planar superfluid","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.flu-dyn","quant-ph"],"primary_cat":"cond-mat.quant-gas","authors_text":"Kristian Helmerson, Matthew J. Davis, Tapio Simula","submitted_at":"2014-05-14T08:05:43Z","abstract_excerpt":"We study the relaxation dynamics of an isolated zero temperature quasi-two-dimensional superfluid Bose-Einstein condensate (BEC) that is imprinted with a spatially random distribution of quantum vortices. Following a period of vortex annihilation, we find that the remaining vortices self-organise into two macroscopic coherent `Onsager vortex' clusters that are stable indefinitely. We demonstrate that this occurs due to a novel physical mechanism --- the evaporative heating of the vortices --- that results in a negative temperature phase transition in the vortex degrees of freedom. At the end o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.3399","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":"1405.3399","created_at":"2026-05-18T02:39:40.526650+00:00"},{"alias_kind":"arxiv_version","alias_value":"1405.3399v1","created_at":"2026-05-18T02:39:40.526650+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.3399","created_at":"2026-05-18T02:39:40.526650+00:00"},{"alias_kind":"pith_short_12","alias_value":"FIDUCWUUDXQC","created_at":"2026-05-18T12:28:28.263976+00:00"},{"alias_kind":"pith_short_16","alias_value":"FIDUCWUUDXQCCWCO","created_at":"2026-05-18T12:28:28.263976+00:00"},{"alias_kind":"pith_short_8","alias_value":"FIDUCWUU","created_at":"2026-05-18T12:28:28.263976+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/FIDUCWUUDXQCCWCO67W56RVPGP","json":"https://pith.science/pith/FIDUCWUUDXQCCWCO67W56RVPGP.json","graph_json":"https://pith.science/api/pith-number/FIDUCWUUDXQCCWCO67W56RVPGP/graph.json","events_json":"https://pith.science/api/pith-number/FIDUCWUUDXQCCWCO67W56RVPGP/events.json","paper":"https://pith.science/paper/FIDUCWUU"},"agent_actions":{"view_html":"https://pith.science/pith/FIDUCWUUDXQCCWCO67W56RVPGP","download_json":"https://pith.science/pith/FIDUCWUUDXQCCWCO67W56RVPGP.json","view_paper":"https://pith.science/paper/FIDUCWUU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1405.3399&json=true","fetch_graph":"https://pith.science/api/pith-number/FIDUCWUUDXQCCWCO67W56RVPGP/graph.json","fetch_events":"https://pith.science/api/pith-number/FIDUCWUUDXQCCWCO67W56RVPGP/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/FIDUCWUUDXQCCWCO67W56RVPGP/action/timestamp_anchor","attest_storage":"https://pith.science/pith/FIDUCWUUDXQCCWCO67W56RVPGP/action/storage_attestation","attest_author":"https://pith.science/pith/FIDUCWUUDXQCCWCO67W56RVPGP/action/author_attestation","sign_citation":"https://pith.science/pith/FIDUCWUUDXQCCWCO67W56RVPGP/action/citation_signature","submit_replication":"https://pith.science/pith/FIDUCWUUDXQCCWCO67W56RVPGP/action/replication_record"}},"created_at":"2026-05-18T02:39:40.526650+00:00","updated_at":"2026-05-18T02:39:40.526650+00:00"}