{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:EB7BBRHVESL45ZZU5AWGJG4DJQ","short_pith_number":"pith:EB7BBRHV","schema_version":"1.0","canonical_sha256":"207e10c4f52497cee734e82c649b834c26ef96c38e0eb41bfb69613d520a0d62","source":{"kind":"arxiv","id":"1505.00657","version":1},"attestation_state":"computed","paper":{"title":"Investigation of the momentum distribution of an excited BEC by free expansion: coupling with collective modes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"A. Bahrami, A. R. Fritsch, E. A. L. Henn, G. D. Telles, P. E. S Tavares, V. S. Bagnato, Y. R. Tonin","submitted_at":"2015-05-04T14:35:29Z","abstract_excerpt":"We investigate the evolution of the momentum distribution of a Bose-Einstein condensate subjected to an external small oscillatory perturbation as a function of the in-trap evolution of the condensate after the external perturbation is switched-off. Besides changing its momentum distribution, we observe that the cloud distributes the input energy among its normal collective modes, displaying center-of-mass dipolar mode and quadrupolar mode. While the dipolar mode can be easily disregarded, we show that the momentum distribution is closely tied to the quadrupolar oscillation mode. This convolut"},"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":"1505.00657","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2015-05-04T14:35:29Z","cross_cats_sorted":[],"title_canon_sha256":"d662e11441111e80cb527e1b0fb72ff245b8a385ed0015718d78ee2cec56ce8f","abstract_canon_sha256":"1e48e8c55d0a90294be3165965622b3ef5f203e215934dbbf72fe73b1880a4e2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:16:50.551469Z","signature_b64":"FcvgzTJxyHLJamhov58eMWFaC56vVLtxM6UyD48sAi4FvXfY5iXk75spMvR02+NPKJrTCVjXYYB5YaUJtac/Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"207e10c4f52497cee734e82c649b834c26ef96c38e0eb41bfb69613d520a0d62","last_reissued_at":"2026-05-18T02:16:50.550857Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:16:50.550857Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Investigation of the momentum distribution of an excited BEC by free expansion: coupling with collective modes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"A. Bahrami, A. R. Fritsch, E. A. L. Henn, G. D. Telles, P. E. S Tavares, V. S. Bagnato, Y. R. Tonin","submitted_at":"2015-05-04T14:35:29Z","abstract_excerpt":"We investigate the evolution of the momentum distribution of a Bose-Einstein condensate subjected to an external small oscillatory perturbation as a function of the in-trap evolution of the condensate after the external perturbation is switched-off. Besides changing its momentum distribution, we observe that the cloud distributes the input energy among its normal collective modes, displaying center-of-mass dipolar mode and quadrupolar mode. While the dipolar mode can be easily disregarded, we show that the momentum distribution is closely tied to the quadrupolar oscillation mode. This convolut"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.00657","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":"1505.00657","created_at":"2026-05-18T02:16:50.550969+00:00"},{"alias_kind":"arxiv_version","alias_value":"1505.00657v1","created_at":"2026-05-18T02:16:50.550969+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.00657","created_at":"2026-05-18T02:16:50.550969+00:00"},{"alias_kind":"pith_short_12","alias_value":"EB7BBRHVESL4","created_at":"2026-05-18T12:29:19.899920+00:00"},{"alias_kind":"pith_short_16","alias_value":"EB7BBRHVESL45ZZU","created_at":"2026-05-18T12:29:19.899920+00:00"},{"alias_kind":"pith_short_8","alias_value":"EB7BBRHV","created_at":"2026-05-18T12:29:19.899920+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/EB7BBRHVESL45ZZU5AWGJG4DJQ","json":"https://pith.science/pith/EB7BBRHVESL45ZZU5AWGJG4DJQ.json","graph_json":"https://pith.science/api/pith-number/EB7BBRHVESL45ZZU5AWGJG4DJQ/graph.json","events_json":"https://pith.science/api/pith-number/EB7BBRHVESL45ZZU5AWGJG4DJQ/events.json","paper":"https://pith.science/paper/EB7BBRHV"},"agent_actions":{"view_html":"https://pith.science/pith/EB7BBRHVESL45ZZU5AWGJG4DJQ","download_json":"https://pith.science/pith/EB7BBRHVESL45ZZU5AWGJG4DJQ.json","view_paper":"https://pith.science/paper/EB7BBRHV","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1505.00657&json=true","fetch_graph":"https://pith.science/api/pith-number/EB7BBRHVESL45ZZU5AWGJG4DJQ/graph.json","fetch_events":"https://pith.science/api/pith-number/EB7BBRHVESL45ZZU5AWGJG4DJQ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/EB7BBRHVESL45ZZU5AWGJG4DJQ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/EB7BBRHVESL45ZZU5AWGJG4DJQ/action/storage_attestation","attest_author":"https://pith.science/pith/EB7BBRHVESL45ZZU5AWGJG4DJQ/action/author_attestation","sign_citation":"https://pith.science/pith/EB7BBRHVESL45ZZU5AWGJG4DJQ/action/citation_signature","submit_replication":"https://pith.science/pith/EB7BBRHVESL45ZZU5AWGJG4DJQ/action/replication_record"}},"created_at":"2026-05-18T02:16:50.550969+00:00","updated_at":"2026-05-18T02:16:50.550969+00:00"}