{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:NYW4UCFA4QQWYPOSL7EFEMJZCM","short_pith_number":"pith:NYW4UCFA","schema_version":"1.0","canonical_sha256":"6e2dca08a0e4216c3dd25fc8523139133feeeb23d782d4233feb2a3e3e41a2c8","source":{"kind":"arxiv","id":"1302.2491","version":2},"attestation_state":"computed","paper":{"title":"Terahertz spectroscopy of spin waves in multiferroic BiFeO$_3$ in high magnetic fields","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.str-el","authors_text":"D. Talbayev, Hee Taek Yi, H. Engelkamp, Randy S. Fishman, S.-W. Cheong, T. Katuwal, T. R\\~o\\~om, U. Nagel","submitted_at":"2013-02-11T14:53:56Z","abstract_excerpt":"We have studied the magnetic field dependence of far-infrared active magnetic modes in a single ferroelectric domain \\BFO/ crystal at low temperature. The modes soften close to the critical field of 18.8\\,T along the [001] (pseudocubic) axis, where the cycloidal structure changes to the homogeneous canted antiferromagnetic state and a new strong mode with linear field dependence appears that persists at least up to 31\\,T. A microscopic model that includes two \\DM/ interactions and easy-axis anisotropy describes closely both the zero-field spectroscopic modes as well as their splitting and evol"},"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":"1302.2491","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-02-11T14:53:56Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"c6ec5fd3733e576ab9727fe3b32688d0413013cf3413508ed53b66c2e8cbad56","abstract_canon_sha256":"a7f9bf926feb4cc3c8ccecddd0c6342f754b1c302199bb5efa2c3d9a3a553050"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:19:57.616085Z","signature_b64":"S8RYAtByHTHPVmTCdGooFt8/mF6RJDSmsv1F4t2VHmj2uW9CtoTE3++SCEY5IWjoAlTsmDQ5A0ht2I44KU53Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6e2dca08a0e4216c3dd25fc8523139133feeeb23d782d4233feb2a3e3e41a2c8","last_reissued_at":"2026-05-18T03:19:57.615210Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:19:57.615210Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Terahertz spectroscopy of spin waves in multiferroic BiFeO$_3$ in high magnetic fields","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.str-el","authors_text":"D. Talbayev, Hee Taek Yi, H. Engelkamp, Randy S. Fishman, S.-W. Cheong, T. Katuwal, T. R\\~o\\~om, U. Nagel","submitted_at":"2013-02-11T14:53:56Z","abstract_excerpt":"We have studied the magnetic field dependence of far-infrared active magnetic modes in a single ferroelectric domain \\BFO/ crystal at low temperature. The modes soften close to the critical field of 18.8\\,T along the [001] (pseudocubic) axis, where the cycloidal structure changes to the homogeneous canted antiferromagnetic state and a new strong mode with linear field dependence appears that persists at least up to 31\\,T. A microscopic model that includes two \\DM/ interactions and easy-axis anisotropy describes closely both the zero-field spectroscopic modes as well as their splitting and evol"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.2491","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":"1302.2491","created_at":"2026-05-18T03:19:57.615379+00:00"},{"alias_kind":"arxiv_version","alias_value":"1302.2491v2","created_at":"2026-05-18T03:19:57.615379+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.2491","created_at":"2026-05-18T03:19:57.615379+00:00"},{"alias_kind":"pith_short_12","alias_value":"NYW4UCFA4QQW","created_at":"2026-05-18T12:27:52.871228+00:00"},{"alias_kind":"pith_short_16","alias_value":"NYW4UCFA4QQWYPOS","created_at":"2026-05-18T12:27:52.871228+00:00"},{"alias_kind":"pith_short_8","alias_value":"NYW4UCFA","created_at":"2026-05-18T12:27:52.871228+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/NYW4UCFA4QQWYPOSL7EFEMJZCM","json":"https://pith.science/pith/NYW4UCFA4QQWYPOSL7EFEMJZCM.json","graph_json":"https://pith.science/api/pith-number/NYW4UCFA4QQWYPOSL7EFEMJZCM/graph.json","events_json":"https://pith.science/api/pith-number/NYW4UCFA4QQWYPOSL7EFEMJZCM/events.json","paper":"https://pith.science/paper/NYW4UCFA"},"agent_actions":{"view_html":"https://pith.science/pith/NYW4UCFA4QQWYPOSL7EFEMJZCM","download_json":"https://pith.science/pith/NYW4UCFA4QQWYPOSL7EFEMJZCM.json","view_paper":"https://pith.science/paper/NYW4UCFA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1302.2491&json=true","fetch_graph":"https://pith.science/api/pith-number/NYW4UCFA4QQWYPOSL7EFEMJZCM/graph.json","fetch_events":"https://pith.science/api/pith-number/NYW4UCFA4QQWYPOSL7EFEMJZCM/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NYW4UCFA4QQWYPOSL7EFEMJZCM/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NYW4UCFA4QQWYPOSL7EFEMJZCM/action/storage_attestation","attest_author":"https://pith.science/pith/NYW4UCFA4QQWYPOSL7EFEMJZCM/action/author_attestation","sign_citation":"https://pith.science/pith/NYW4UCFA4QQWYPOSL7EFEMJZCM/action/citation_signature","submit_replication":"https://pith.science/pith/NYW4UCFA4QQWYPOSL7EFEMJZCM/action/replication_record"}},"created_at":"2026-05-18T03:19:57.615379+00:00","updated_at":"2026-05-18T03:19:57.615379+00:00"}