{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:ZHRJJBLMDRQ2FUW6ZLVO6I4AV4","short_pith_number":"pith:ZHRJJBLM","schema_version":"1.0","canonical_sha256":"c9e294856c1c61a2d2decaeaef2380af120fdc3234c5119cd0fc7f87f8cd5996","source":{"kind":"arxiv","id":"1505.00072","version":1},"attestation_state":"computed","paper":{"title":"Surface polarization and edge charges","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"David Vanderbilt, Karin Rabe, Yuanjun Zhou","submitted_at":"2015-05-01T02:33:07Z","abstract_excerpt":"The term \"surface polarization\" is introduced to describe the in-plane polarization existing at the surface of an insulating crystal when the in-plane surface inversion symmetry is broken. Here, the surface polarization is formulated in terms of a Berry phase, with the hybrid Wannier representation providing a natural basis for study of this effect. Tight binding models are used to demonstrate how the surface polarization reveals itself via the accumulation of charges at the corners/edges for a two dimensional rectangular lattice and for GaAs."},"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":"1505.00072","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-05-01T02:33:07Z","cross_cats_sorted":[],"title_canon_sha256":"4d4627fa0375e763b8a0663cfd8747662076c18e4bb56d3822909359a9cb96b9","abstract_canon_sha256":"e5cb9ba47734d81f6100b279c5ba7a733c6af2b391e970fbd3dabc90ac363b5d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:35:15.971852Z","signature_b64":"RLqX4LX9yHr/XokhwyAfJCoT62/z9ZgqEQDYeyXEwqduMfxrBRsJjNf72Isjz6JJQ2dXQZGdYTLqh4dSORfcAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c9e294856c1c61a2d2decaeaef2380af120fdc3234c5119cd0fc7f87f8cd5996","last_reissued_at":"2026-05-18T01:35:15.971269Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:35:15.971269Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Surface polarization and edge charges","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"David Vanderbilt, Karin Rabe, Yuanjun Zhou","submitted_at":"2015-05-01T02:33:07Z","abstract_excerpt":"The term \"surface polarization\" is introduced to describe the in-plane polarization existing at the surface of an insulating crystal when the in-plane surface inversion symmetry is broken. Here, the surface polarization is formulated in terms of a Berry phase, with the hybrid Wannier representation providing a natural basis for study of this effect. Tight binding models are used to demonstrate how the surface polarization reveals itself via the accumulation of charges at the corners/edges for a two dimensional rectangular lattice and for GaAs."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.00072","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":"1505.00072","created_at":"2026-05-18T01:35:15.971367+00:00"},{"alias_kind":"arxiv_version","alias_value":"1505.00072v1","created_at":"2026-05-18T01:35:15.971367+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.00072","created_at":"2026-05-18T01:35:15.971367+00:00"},{"alias_kind":"pith_short_12","alias_value":"ZHRJJBLMDRQ2","created_at":"2026-05-18T12:29:52.810259+00:00"},{"alias_kind":"pith_short_16","alias_value":"ZHRJJBLMDRQ2FUW6","created_at":"2026-05-18T12:29:52.810259+00:00"},{"alias_kind":"pith_short_8","alias_value":"ZHRJJBLM","created_at":"2026-05-18T12:29:52.810259+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/ZHRJJBLMDRQ2FUW6ZLVO6I4AV4","json":"https://pith.science/pith/ZHRJJBLMDRQ2FUW6ZLVO6I4AV4.json","graph_json":"https://pith.science/api/pith-number/ZHRJJBLMDRQ2FUW6ZLVO6I4AV4/graph.json","events_json":"https://pith.science/api/pith-number/ZHRJJBLMDRQ2FUW6ZLVO6I4AV4/events.json","paper":"https://pith.science/paper/ZHRJJBLM"},"agent_actions":{"view_html":"https://pith.science/pith/ZHRJJBLMDRQ2FUW6ZLVO6I4AV4","download_json":"https://pith.science/pith/ZHRJJBLMDRQ2FUW6ZLVO6I4AV4.json","view_paper":"https://pith.science/paper/ZHRJJBLM","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1505.00072&json=true","fetch_graph":"https://pith.science/api/pith-number/ZHRJJBLMDRQ2FUW6ZLVO6I4AV4/graph.json","fetch_events":"https://pith.science/api/pith-number/ZHRJJBLMDRQ2FUW6ZLVO6I4AV4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ZHRJJBLMDRQ2FUW6ZLVO6I4AV4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ZHRJJBLMDRQ2FUW6ZLVO6I4AV4/action/storage_attestation","attest_author":"https://pith.science/pith/ZHRJJBLMDRQ2FUW6ZLVO6I4AV4/action/author_attestation","sign_citation":"https://pith.science/pith/ZHRJJBLMDRQ2FUW6ZLVO6I4AV4/action/citation_signature","submit_replication":"https://pith.science/pith/ZHRJJBLMDRQ2FUW6ZLVO6I4AV4/action/replication_record"}},"created_at":"2026-05-18T01:35:15.971367+00:00","updated_at":"2026-05-18T01:35:15.971367+00:00"}