{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:YVKANVJFBXKFQO5KTKXIW3IYB3","short_pith_number":"pith:YVKANVJF","schema_version":"1.0","canonical_sha256":"c55406d5250dd4583baa9aae8b6d180ec3f2884b47d5dbcd900efd8383d8fff2","source":{"kind":"arxiv","id":"1507.00470","version":1},"attestation_state":"computed","paper":{"title":"Persistent bright solitons in sign-indefinite coupled nonlinear Schrodinger equations with a time-dependent harmonic trap","license":"http://creativecommons.org/publicdomain/zero/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"Boris. A. Malomed, J. B. Sudharsan, P. S. Vinayagam, R. Radha","submitted_at":"2015-07-02T08:41:57Z","abstract_excerpt":"We introduce a model based on a system of coupled nonlinear Schrodinger (NLS) equations with opposite signs infront of the kinetic and gradient terms in the two equations. It also includes time-dependent nonlinearity coefficients and a parabolic expulsive potential. By means of a gauge transformation, we demonstrate that, with a special choice of the time dependence of the trap, the system gives rise to persistent solitons. Exact single and two-soliton analytical solutions and their stability are corroborated by numerical simulations. In particular, the exact solutions exhibit inelastic collis"},"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":"1507.00470","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2015-07-02T08:41:57Z","cross_cats_sorted":[],"title_canon_sha256":"f5801e995c099fd3d8823c8f8339a3110830d30e3b21adb0b8ad178cf26a567f","abstract_canon_sha256":"3d40d2668280a785a727f58bf9e371310b590e31b808074d729dfc94f5b3ecf4"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:37:24.618224Z","signature_b64":"xgRY6AvvSLInF8Nj+yyBbD8zMm+PBE04KVDZ1e45NvXg318b6qTMaHaSWQvoamtUvAwV1toJ3O/xYsrjpAJwBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c55406d5250dd4583baa9aae8b6d180ec3f2884b47d5dbcd900efd8383d8fff2","last_reissued_at":"2026-05-18T01:37:24.617443Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:37:24.617443Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Persistent bright solitons in sign-indefinite coupled nonlinear Schrodinger equations with a time-dependent harmonic trap","license":"http://creativecommons.org/publicdomain/zero/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"Boris. A. Malomed, J. B. Sudharsan, P. S. Vinayagam, R. Radha","submitted_at":"2015-07-02T08:41:57Z","abstract_excerpt":"We introduce a model based on a system of coupled nonlinear Schrodinger (NLS) equations with opposite signs infront of the kinetic and gradient terms in the two equations. It also includes time-dependent nonlinearity coefficients and a parabolic expulsive potential. By means of a gauge transformation, we demonstrate that, with a special choice of the time dependence of the trap, the system gives rise to persistent solitons. Exact single and two-soliton analytical solutions and their stability are corroborated by numerical simulations. In particular, the exact solutions exhibit inelastic collis"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.00470","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":"1507.00470","created_at":"2026-05-18T01:37:24.617583+00:00"},{"alias_kind":"arxiv_version","alias_value":"1507.00470v1","created_at":"2026-05-18T01:37:24.617583+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.00470","created_at":"2026-05-18T01:37:24.617583+00:00"},{"alias_kind":"pith_short_12","alias_value":"YVKANVJFBXKF","created_at":"2026-05-18T12:29:52.810259+00:00"},{"alias_kind":"pith_short_16","alias_value":"YVKANVJFBXKFQO5K","created_at":"2026-05-18T12:29:52.810259+00:00"},{"alias_kind":"pith_short_8","alias_value":"YVKANVJF","created_at":"2026-05-18T12:29:52.810259+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/YVKANVJFBXKFQO5KTKXIW3IYB3","json":"https://pith.science/pith/YVKANVJFBXKFQO5KTKXIW3IYB3.json","graph_json":"https://pith.science/api/pith-number/YVKANVJFBXKFQO5KTKXIW3IYB3/graph.json","events_json":"https://pith.science/api/pith-number/YVKANVJFBXKFQO5KTKXIW3IYB3/events.json","paper":"https://pith.science/paper/YVKANVJF"},"agent_actions":{"view_html":"https://pith.science/pith/YVKANVJFBXKFQO5KTKXIW3IYB3","download_json":"https://pith.science/pith/YVKANVJFBXKFQO5KTKXIW3IYB3.json","view_paper":"https://pith.science/paper/YVKANVJF","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1507.00470&json=true","fetch_graph":"https://pith.science/api/pith-number/YVKANVJFBXKFQO5KTKXIW3IYB3/graph.json","fetch_events":"https://pith.science/api/pith-number/YVKANVJFBXKFQO5KTKXIW3IYB3/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/YVKANVJFBXKFQO5KTKXIW3IYB3/action/timestamp_anchor","attest_storage":"https://pith.science/pith/YVKANVJFBXKFQO5KTKXIW3IYB3/action/storage_attestation","attest_author":"https://pith.science/pith/YVKANVJFBXKFQO5KTKXIW3IYB3/action/author_attestation","sign_citation":"https://pith.science/pith/YVKANVJFBXKFQO5KTKXIW3IYB3/action/citation_signature","submit_replication":"https://pith.science/pith/YVKANVJFBXKFQO5KTKXIW3IYB3/action/replication_record"}},"created_at":"2026-05-18T01:37:24.617583+00:00","updated_at":"2026-05-18T01:37:24.617583+00:00"}