{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:V7N3XVZW7WZLCRGNGVCESCA5EL","short_pith_number":"pith:V7N3XVZW","schema_version":"1.0","canonical_sha256":"afdbbbd736fdb2b144cd354449081d22d828d937edbff164071af813a5796de9","source":{"kind":"arxiv","id":"1901.08850","version":2},"attestation_state":"computed","paper":{"title":"Berry phase of phonons and thermal Hall effect in nonmagnetic insulators","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"Hiroaki Ishizuka, Kou Misaki, Naoto Nagaosa, Takuma Saito","submitted_at":"2019-01-25T12:23:46Z","abstract_excerpt":"A mechanism for phonon Hall effect (PHE) in non-magnetic insulators under an external magnetic field is theoretically studied. PHE is known in (para)magnetic compounds, where the magnetic moments and spin-orbit interaction play an essential role. In sharp contrast, we here show that a non-zero Berry curvature of acoustic phonons is induced by an external magnetic field due to the correction to the adiabatic Born-Oppenheimer approximation. This results in the finite thermal Hall conductivity $\\kappa_H$ in nonmagnetic band insulators. Our estimate of $\\kappa_H$ for a simple model gives $\\kappa_H"},"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":"1901.08850","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-01-25T12:23:46Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"3ecfe42f85b68608fe3a1816b455c9e537e952624d19c110baf8eb64913de92b","abstract_canon_sha256":"7c270c4dba6fe90d85b6c1f263c57ab636609cd544c8f8eb7e3d103dcc9802b9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:28:08.037944Z","signature_b64":"XWQuVHiPGEvRQ52gKmuASAQHWV4LPkjxYzj93TaMiJtno2gCH42E4WMDCjhu9Li6o449EFFWhxX/tFbZYxiaCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"afdbbbd736fdb2b144cd354449081d22d828d937edbff164071af813a5796de9","last_reissued_at":"2026-07-05T00:28:08.037556Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:28:08.037556Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Berry phase of phonons and thermal Hall effect in nonmagnetic insulators","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"Hiroaki Ishizuka, Kou Misaki, Naoto Nagaosa, Takuma Saito","submitted_at":"2019-01-25T12:23:46Z","abstract_excerpt":"A mechanism for phonon Hall effect (PHE) in non-magnetic insulators under an external magnetic field is theoretically studied. PHE is known in (para)magnetic compounds, where the magnetic moments and spin-orbit interaction play an essential role. In sharp contrast, we here show that a non-zero Berry curvature of acoustic phonons is induced by an external magnetic field due to the correction to the adiabatic Born-Oppenheimer approximation. This results in the finite thermal Hall conductivity $\\kappa_H$ in nonmagnetic band insulators. Our estimate of $\\kappa_H$ for a simple model gives $\\kappa_H"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.08850","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/1901.08850/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":"1901.08850","created_at":"2026-07-05T00:28:08.037612+00:00"},{"alias_kind":"arxiv_version","alias_value":"1901.08850v2","created_at":"2026-07-05T00:28:08.037612+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.08850","created_at":"2026-07-05T00:28:08.037612+00:00"},{"alias_kind":"pith_short_12","alias_value":"V7N3XVZW7WZL","created_at":"2026-07-05T00:28:08.037612+00:00"},{"alias_kind":"pith_short_16","alias_value":"V7N3XVZW7WZLCRGN","created_at":"2026-07-05T00:28:08.037612+00:00"},{"alias_kind":"pith_short_8","alias_value":"V7N3XVZW","created_at":"2026-07-05T00:28:08.037612+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/V7N3XVZW7WZLCRGNGVCESCA5EL","json":"https://pith.science/pith/V7N3XVZW7WZLCRGNGVCESCA5EL.json","graph_json":"https://pith.science/api/pith-number/V7N3XVZW7WZLCRGNGVCESCA5EL/graph.json","events_json":"https://pith.science/api/pith-number/V7N3XVZW7WZLCRGNGVCESCA5EL/events.json","paper":"https://pith.science/paper/V7N3XVZW"},"agent_actions":{"view_html":"https://pith.science/pith/V7N3XVZW7WZLCRGNGVCESCA5EL","download_json":"https://pith.science/pith/V7N3XVZW7WZLCRGNGVCESCA5EL.json","view_paper":"https://pith.science/paper/V7N3XVZW","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1901.08850&json=true","fetch_graph":"https://pith.science/api/pith-number/V7N3XVZW7WZLCRGNGVCESCA5EL/graph.json","fetch_events":"https://pith.science/api/pith-number/V7N3XVZW7WZLCRGNGVCESCA5EL/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/V7N3XVZW7WZLCRGNGVCESCA5EL/action/timestamp_anchor","attest_storage":"https://pith.science/pith/V7N3XVZW7WZLCRGNGVCESCA5EL/action/storage_attestation","attest_author":"https://pith.science/pith/V7N3XVZW7WZLCRGNGVCESCA5EL/action/author_attestation","sign_citation":"https://pith.science/pith/V7N3XVZW7WZLCRGNGVCESCA5EL/action/citation_signature","submit_replication":"https://pith.science/pith/V7N3XVZW7WZLCRGNGVCESCA5EL/action/replication_record"}},"created_at":"2026-07-05T00:28:08.037612+00:00","updated_at":"2026-07-05T00:28:08.037612+00:00"}