{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:ZKPG4YZPKWEW3ONG2RGBXYOXQ2","short_pith_number":"pith:ZKPG4YZP","schema_version":"1.0","canonical_sha256":"ca9e6e632f55896db9a6d44c1be1d786aa8b96cc32dc00f86824a4617bafda99","source":{"kind":"arxiv","id":"2512.22073","version":2},"attestation_state":"computed","paper":{"title":"Ferroelectricity in a magnon Bose-Einstein condensate: Nonreciprocal superfluidity, exceptional points, and Majorana bosons","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas","cond-mat.supr-con"],"primary_cat":"cond-mat.mes-hall","authors_text":"Kazuki Yamamoto, Mikito Koshino, Takuto Kawakami","submitted_at":"2025-12-26T16:12:53Z","abstract_excerpt":"We investigate a ferroelectric instability of a magnon Bose-Einstein condensate, mediated by its interaction with an electric field through a geometric Aharonov-Casher (AC) phase. A distinct feature of the system is the positive feedback loop in which an electric field induces magnon orbital motion via the AC phase, generating electric polarization that in turn enhances the original field. Based on bosonic Bogoliubov-de Gennes (BdG) mean-field theory, we show that this feedback drives a spontaneous ferroelectric transition in the magnon superfluid, accompanied by a persistent magnon supercurre"},"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":"2512.22073","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2025-12-26T16:12:53Z","cross_cats_sorted":["cond-mat.quant-gas","cond-mat.supr-con"],"title_canon_sha256":"21d20d82f531bcf8acf900d3b4e65f4f71e7624330a335b10b12b7217af34812","abstract_canon_sha256":"cc62175863d24326d2e0d0616fa6826de08e0e11b822e2978beaadd8f238b873"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-03T01:17:16.090753Z","signature_b64":"Vlpw5V5jqLl/F1fXEjzXbhNOK6vV+SIH63G8BSptsc8MIQo6o/3jxv4mSpUsYEqzGY/S05rlAtU4XhIvE7ABAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ca9e6e632f55896db9a6d44c1be1d786aa8b96cc32dc00f86824a4617bafda99","last_reissued_at":"2026-07-03T01:17:16.090247Z","signature_status":"signed_v1","first_computed_at":"2026-07-03T01:17:16.090247Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Ferroelectricity in a magnon Bose-Einstein condensate: Nonreciprocal superfluidity, exceptional points, and Majorana bosons","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas","cond-mat.supr-con"],"primary_cat":"cond-mat.mes-hall","authors_text":"Kazuki Yamamoto, Mikito Koshino, Takuto Kawakami","submitted_at":"2025-12-26T16:12:53Z","abstract_excerpt":"We investigate a ferroelectric instability of a magnon Bose-Einstein condensate, mediated by its interaction with an electric field through a geometric Aharonov-Casher (AC) phase. A distinct feature of the system is the positive feedback loop in which an electric field induces magnon orbital motion via the AC phase, generating electric polarization that in turn enhances the original field. Based on bosonic Bogoliubov-de Gennes (BdG) mean-field theory, we show that this feedback drives a spontaneous ferroelectric transition in the magnon superfluid, accompanied by a persistent magnon supercurre"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2512.22073","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2512.22073/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2512.22073","created_at":"2026-07-03T01:17:16.090323+00:00"},{"alias_kind":"arxiv_version","alias_value":"2512.22073v2","created_at":"2026-07-03T01:17:16.090323+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2512.22073","created_at":"2026-07-03T01:17:16.090323+00:00"},{"alias_kind":"pith_short_12","alias_value":"ZKPG4YZPKWEW","created_at":"2026-07-03T01:17:16.090323+00:00"},{"alias_kind":"pith_short_16","alias_value":"ZKPG4YZPKWEW3ONG","created_at":"2026-07-03T01:17:16.090323+00:00"},{"alias_kind":"pith_short_8","alias_value":"ZKPG4YZP","created_at":"2026-07-03T01:17:16.090323+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2605.28126","citing_title":"Quantum Spin Squeezing Enhanced by Critical Exceptional Points","ref_index":81,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/ZKPG4YZPKWEW3ONG2RGBXYOXQ2","json":"https://pith.science/pith/ZKPG4YZPKWEW3ONG2RGBXYOXQ2.json","graph_json":"https://pith.science/api/pith-number/ZKPG4YZPKWEW3ONG2RGBXYOXQ2/graph.json","events_json":"https://pith.science/api/pith-number/ZKPG4YZPKWEW3ONG2RGBXYOXQ2/events.json","paper":"https://pith.science/paper/ZKPG4YZP"},"agent_actions":{"view_html":"https://pith.science/pith/ZKPG4YZPKWEW3ONG2RGBXYOXQ2","download_json":"https://pith.science/pith/ZKPG4YZPKWEW3ONG2RGBXYOXQ2.json","view_paper":"https://pith.science/paper/ZKPG4YZP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2512.22073&json=true","fetch_graph":"https://pith.science/api/pith-number/ZKPG4YZPKWEW3ONG2RGBXYOXQ2/graph.json","fetch_events":"https://pith.science/api/pith-number/ZKPG4YZPKWEW3ONG2RGBXYOXQ2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ZKPG4YZPKWEW3ONG2RGBXYOXQ2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ZKPG4YZPKWEW3ONG2RGBXYOXQ2/action/storage_attestation","attest_author":"https://pith.science/pith/ZKPG4YZPKWEW3ONG2RGBXYOXQ2/action/author_attestation","sign_citation":"https://pith.science/pith/ZKPG4YZPKWEW3ONG2RGBXYOXQ2/action/citation_signature","submit_replication":"https://pith.science/pith/ZKPG4YZPKWEW3ONG2RGBXYOXQ2/action/replication_record"}},"created_at":"2026-07-03T01:17:16.090323+00:00","updated_at":"2026-07-03T01:17:16.090323+00:00"}