{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:2JPQNEZATDXAMYAYTDUE3XWERM","short_pith_number":"pith:2JPQNEZA","schema_version":"1.0","canonical_sha256":"d25f06932098ee06601898e84ddec48b2dd862d7d60d493835911ef6aebef866","source":{"kind":"arxiv","id":"1102.0340","version":1},"attestation_state":"computed","paper":{"title":"Skyrmion-antiSkyrmion pairs in Ultracold Atomic Gases","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"H. M. Price, N. R. Cooper","submitted_at":"2011-02-02T02:02:54Z","abstract_excerpt":"We study theoretically the dynamics of two-component Bose-Einstein condensates in two dimensions, which admit topological excitations related to the Skyrmions of nuclear physics. We show that there exists a branch of uniformly propagating solitary waves characterised by a conserved momentum. These excitations exhibit a cross-over from spatially extended spin-wave states at low momentum to a localised \"spin-wave droplet\" at intermediate momentum; at still higher momentum, the configuration evolves continuously into a Skyrmion-antiSkyrmion pair. We discuss how these solitary waves can be generat"},"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":"1102.0340","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2011-02-02T02:02:54Z","cross_cats_sorted":[],"title_canon_sha256":"5d0c415854b2be1e2cf5013c1b73cbc4127336029d9ad9a33e7b0622e0486162","abstract_canon_sha256":"d9ae5670b1f06c3c8a7e18a320d71c21abb5d9dbd12b49d0804d4f78ffd0c753"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:38:44.793229Z","signature_b64":"+hKBi8SF49t2jGeTIGlZ6GZfhaA3N9Dlpix2Hsn/oskH+S0uFwdLEEOJ0ifpRbq3RgvYq34dkhMMFJ91IRReDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d25f06932098ee06601898e84ddec48b2dd862d7d60d493835911ef6aebef866","last_reissued_at":"2026-05-18T02:38:44.792743Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:38:44.792743Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Skyrmion-antiSkyrmion pairs in Ultracold Atomic Gases","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"H. M. Price, N. R. Cooper","submitted_at":"2011-02-02T02:02:54Z","abstract_excerpt":"We study theoretically the dynamics of two-component Bose-Einstein condensates in two dimensions, which admit topological excitations related to the Skyrmions of nuclear physics. We show that there exists a branch of uniformly propagating solitary waves characterised by a conserved momentum. These excitations exhibit a cross-over from spatially extended spin-wave states at low momentum to a localised \"spin-wave droplet\" at intermediate momentum; at still higher momentum, the configuration evolves continuously into a Skyrmion-antiSkyrmion pair. We discuss how these solitary waves can be generat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.0340","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":"1102.0340","created_at":"2026-05-18T02:38:44.792823+00:00"},{"alias_kind":"arxiv_version","alias_value":"1102.0340v1","created_at":"2026-05-18T02:38:44.792823+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.0340","created_at":"2026-05-18T02:38:44.792823+00:00"},{"alias_kind":"pith_short_12","alias_value":"2JPQNEZATDXA","created_at":"2026-05-18T12:26:18.847500+00:00"},{"alias_kind":"pith_short_16","alias_value":"2JPQNEZATDXAMYAY","created_at":"2026-05-18T12:26:18.847500+00:00"},{"alias_kind":"pith_short_8","alias_value":"2JPQNEZA","created_at":"2026-05-18T12:26:18.847500+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/2JPQNEZATDXAMYAYTDUE3XWERM","json":"https://pith.science/pith/2JPQNEZATDXAMYAYTDUE3XWERM.json","graph_json":"https://pith.science/api/pith-number/2JPQNEZATDXAMYAYTDUE3XWERM/graph.json","events_json":"https://pith.science/api/pith-number/2JPQNEZATDXAMYAYTDUE3XWERM/events.json","paper":"https://pith.science/paper/2JPQNEZA"},"agent_actions":{"view_html":"https://pith.science/pith/2JPQNEZATDXAMYAYTDUE3XWERM","download_json":"https://pith.science/pith/2JPQNEZATDXAMYAYTDUE3XWERM.json","view_paper":"https://pith.science/paper/2JPQNEZA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1102.0340&json=true","fetch_graph":"https://pith.science/api/pith-number/2JPQNEZATDXAMYAYTDUE3XWERM/graph.json","fetch_events":"https://pith.science/api/pith-number/2JPQNEZATDXAMYAYTDUE3XWERM/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/2JPQNEZATDXAMYAYTDUE3XWERM/action/timestamp_anchor","attest_storage":"https://pith.science/pith/2JPQNEZATDXAMYAYTDUE3XWERM/action/storage_attestation","attest_author":"https://pith.science/pith/2JPQNEZATDXAMYAYTDUE3XWERM/action/author_attestation","sign_citation":"https://pith.science/pith/2JPQNEZATDXAMYAYTDUE3XWERM/action/citation_signature","submit_replication":"https://pith.science/pith/2JPQNEZATDXAMYAYTDUE3XWERM/action/replication_record"}},"created_at":"2026-05-18T02:38:44.792823+00:00","updated_at":"2026-05-18T02:38:44.792823+00:00"}