{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:IRMA4NMNSLU5REED6N6YUKJQMR","short_pith_number":"pith:IRMA4NMN","schema_version":"1.0","canonical_sha256":"44580e358d92e9d89083f37d8a29306453f8247e9c9f2af17ffc02bcbd7e72b5","source":{"kind":"arxiv","id":"1812.06445","version":1},"attestation_state":"computed","paper":{"title":"Breathing Mode of a BEC Repulsively Interacting with a Fermionic Reservoir","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cond-mat.quant-gas","authors_text":"Bo Huang, Cosetta Baroni, Emil Kirilov, Isabella Fritsche, Jook T. M. Walraven, Rianne S. Lous, Rudolf Grimm","submitted_at":"2018-12-16T11:33:12Z","abstract_excerpt":"We investigate the fundamental breathing mode of a small-sized elongated Bose-Einstein condensate coupled to a large Fermi sea of atoms. Our observations show a dramatic shift of the breathing frequency when the mixture undergoes phase separation at strong interspecies repulsion. We find that the maximum frequency shift in the full phase-separation limit depends essentially on the atom number ratio of the components. We interpret the experimental observations within a model that assumes an adiabatic response of the Fermi sea, or within another model that considers single fermion trajectories f"},"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":"1812.06445","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2018-12-16T11:33:12Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"1db5b25c4808b95c6aacd669660d5f30a8c1b578cddbf0abdd7baec486052b2d","abstract_canon_sha256":"23f1b30ba5f164ba65705d72d98e759d2ab03e933a82a0ca9c354dae992606f8"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:49:02.590952Z","signature_b64":"c2omAgH2SQUMVAJz+/rFJqp1U0Mq6XKS/QTZIVbe7hJYfPyIEA3P6u3nI+EQy/81oN79yvr+eQ5zr7/c/oa5Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"44580e358d92e9d89083f37d8a29306453f8247e9c9f2af17ffc02bcbd7e72b5","last_reissued_at":"2026-05-17T23:49:02.590547Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:49:02.590547Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Breathing Mode of a BEC Repulsively Interacting with a Fermionic Reservoir","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cond-mat.quant-gas","authors_text":"Bo Huang, Cosetta Baroni, Emil Kirilov, Isabella Fritsche, Jook T. M. Walraven, Rianne S. Lous, Rudolf Grimm","submitted_at":"2018-12-16T11:33:12Z","abstract_excerpt":"We investigate the fundamental breathing mode of a small-sized elongated Bose-Einstein condensate coupled to a large Fermi sea of atoms. Our observations show a dramatic shift of the breathing frequency when the mixture undergoes phase separation at strong interspecies repulsion. We find that the maximum frequency shift in the full phase-separation limit depends essentially on the atom number ratio of the components. We interpret the experimental observations within a model that assumes an adiabatic response of the Fermi sea, or within another model that considers single fermion trajectories f"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.06445","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":"1812.06445","created_at":"2026-05-17T23:49:02.590599+00:00"},{"alias_kind":"arxiv_version","alias_value":"1812.06445v1","created_at":"2026-05-17T23:49:02.590599+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.06445","created_at":"2026-05-17T23:49:02.590599+00:00"},{"alias_kind":"pith_short_12","alias_value":"IRMA4NMNSLU5","created_at":"2026-05-18T12:32:31.084164+00:00"},{"alias_kind":"pith_short_16","alias_value":"IRMA4NMNSLU5REED","created_at":"2026-05-18T12:32:31.084164+00:00"},{"alias_kind":"pith_short_8","alias_value":"IRMA4NMN","created_at":"2026-05-18T12:32:31.084164+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/IRMA4NMNSLU5REED6N6YUKJQMR","json":"https://pith.science/pith/IRMA4NMNSLU5REED6N6YUKJQMR.json","graph_json":"https://pith.science/api/pith-number/IRMA4NMNSLU5REED6N6YUKJQMR/graph.json","events_json":"https://pith.science/api/pith-number/IRMA4NMNSLU5REED6N6YUKJQMR/events.json","paper":"https://pith.science/paper/IRMA4NMN"},"agent_actions":{"view_html":"https://pith.science/pith/IRMA4NMNSLU5REED6N6YUKJQMR","download_json":"https://pith.science/pith/IRMA4NMNSLU5REED6N6YUKJQMR.json","view_paper":"https://pith.science/paper/IRMA4NMN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1812.06445&json=true","fetch_graph":"https://pith.science/api/pith-number/IRMA4NMNSLU5REED6N6YUKJQMR/graph.json","fetch_events":"https://pith.science/api/pith-number/IRMA4NMNSLU5REED6N6YUKJQMR/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IRMA4NMNSLU5REED6N6YUKJQMR/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IRMA4NMNSLU5REED6N6YUKJQMR/action/storage_attestation","attest_author":"https://pith.science/pith/IRMA4NMNSLU5REED6N6YUKJQMR/action/author_attestation","sign_citation":"https://pith.science/pith/IRMA4NMNSLU5REED6N6YUKJQMR/action/citation_signature","submit_replication":"https://pith.science/pith/IRMA4NMNSLU5REED6N6YUKJQMR/action/replication_record"}},"created_at":"2026-05-17T23:49:02.590599+00:00","updated_at":"2026-05-17T23:49:02.590599+00:00"}