{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:RG2AFL2TQCXPRXDC3HK7KO5ZTO","short_pith_number":"pith:RG2AFL2T","schema_version":"1.0","canonical_sha256":"89b402af5380aef8dc62d9d5f53bb99b90a0602ae729d9b86bf2ff33850a8ee5","source":{"kind":"arxiv","id":"1101.3610","version":2},"attestation_state":"computed","paper":{"title":"Density fluctuations and compressibility matrix for population or mass imbalanced Fermi-Fermi mixtures","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"C. A. R. S\\'a de Melo, Kangjun Seo","submitted_at":"2011-01-19T04:32:31Z","abstract_excerpt":"We describe the relation between the isothermal atomic compressibility and density fluctuations in mixtures of two-component fermions with population or mass imbalance. We derive a generalized version of the fluctuation-dissipation theorem which is valid for both balanced and imbalanced Fermi-Fermi mixtures. Furthermore, we show that the compressibility, its critical exponents, and phase boundaries can be extracted via an analysis of the density fluctuations as a function of population imbalance, interaction parameter or temperature. Lastly, we demonstrate that in the presence of trapping pote"},"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":"1101.3610","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2011-01-19T04:32:31Z","cross_cats_sorted":[],"title_canon_sha256":"2d6e9b7a38a2fba86d351783958662c2b2c7d0d54c5aafaaca07ec968c5566e4","abstract_canon_sha256":"919eaf586721d52dd3b3b36408c800c52e340cdd02840fdc4b1825c4cfefc52a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:10:48.264368Z","signature_b64":"YQB1mHyKcTcslfbSGxXk7abKoeQvGu0oIpNA5WX1R+0D2IbO/t0LRu3TKioK/aaPq1moyG41VYezqHauZhDrCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"89b402af5380aef8dc62d9d5f53bb99b90a0602ae729d9b86bf2ff33850a8ee5","last_reissued_at":"2026-05-18T04:10:48.263870Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:10:48.263870Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Density fluctuations and compressibility matrix for population or mass imbalanced Fermi-Fermi mixtures","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"C. A. R. S\\'a de Melo, Kangjun Seo","submitted_at":"2011-01-19T04:32:31Z","abstract_excerpt":"We describe the relation between the isothermal atomic compressibility and density fluctuations in mixtures of two-component fermions with population or mass imbalance. We derive a generalized version of the fluctuation-dissipation theorem which is valid for both balanced and imbalanced Fermi-Fermi mixtures. Furthermore, we show that the compressibility, its critical exponents, and phase boundaries can be extracted via an analysis of the density fluctuations as a function of population imbalance, interaction parameter or temperature. Lastly, we demonstrate that in the presence of trapping pote"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1101.3610","kind":"arxiv","version":2},"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":"1101.3610","created_at":"2026-05-18T04:10:48.263939+00:00"},{"alias_kind":"arxiv_version","alias_value":"1101.3610v2","created_at":"2026-05-18T04:10:48.263939+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1101.3610","created_at":"2026-05-18T04:10:48.263939+00:00"},{"alias_kind":"pith_short_12","alias_value":"RG2AFL2TQCXP","created_at":"2026-05-18T12:26:41.206345+00:00"},{"alias_kind":"pith_short_16","alias_value":"RG2AFL2TQCXPRXDC","created_at":"2026-05-18T12:26:41.206345+00:00"},{"alias_kind":"pith_short_8","alias_value":"RG2AFL2T","created_at":"2026-05-18T12:26:41.206345+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/RG2AFL2TQCXPRXDC3HK7KO5ZTO","json":"https://pith.science/pith/RG2AFL2TQCXPRXDC3HK7KO5ZTO.json","graph_json":"https://pith.science/api/pith-number/RG2AFL2TQCXPRXDC3HK7KO5ZTO/graph.json","events_json":"https://pith.science/api/pith-number/RG2AFL2TQCXPRXDC3HK7KO5ZTO/events.json","paper":"https://pith.science/paper/RG2AFL2T"},"agent_actions":{"view_html":"https://pith.science/pith/RG2AFL2TQCXPRXDC3HK7KO5ZTO","download_json":"https://pith.science/pith/RG2AFL2TQCXPRXDC3HK7KO5ZTO.json","view_paper":"https://pith.science/paper/RG2AFL2T","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1101.3610&json=true","fetch_graph":"https://pith.science/api/pith-number/RG2AFL2TQCXPRXDC3HK7KO5ZTO/graph.json","fetch_events":"https://pith.science/api/pith-number/RG2AFL2TQCXPRXDC3HK7KO5ZTO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/RG2AFL2TQCXPRXDC3HK7KO5ZTO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/RG2AFL2TQCXPRXDC3HK7KO5ZTO/action/storage_attestation","attest_author":"https://pith.science/pith/RG2AFL2TQCXPRXDC3HK7KO5ZTO/action/author_attestation","sign_citation":"https://pith.science/pith/RG2AFL2TQCXPRXDC3HK7KO5ZTO/action/citation_signature","submit_replication":"https://pith.science/pith/RG2AFL2TQCXPRXDC3HK7KO5ZTO/action/replication_record"}},"created_at":"2026-05-18T04:10:48.263939+00:00","updated_at":"2026-05-18T04:10:48.263939+00:00"}