{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:ZACABHZ7BC7OOR72DQS425ZRLG","short_pith_number":"pith:ZACABHZ7","schema_version":"1.0","canonical_sha256":"c804009f3f08bee747fa1c25cd773159918f6fee33cb4a03e8e7b35d33cb51b9","source":{"kind":"arxiv","id":"1707.03136","version":2},"attestation_state":"computed","paper":{"title":"Chiral Topological Excitons in a Chern Band Insulator","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Ke Chen, Ryuichi Shindou","submitted_at":"2017-07-11T05:37:48Z","abstract_excerpt":"A family of semiconductors called as Chern band insulator are shown to host exciton bands with non-zero topological Chern integers and chiral exciton edge modes. Using a prototypical two-band Chern insulator model, we calculate a cross-correlation function to obtain the exciton bands and their Chern integers. The lowest exciton band acquires Chern integers such as $\\pm 1$ and $\\pm 2$ in electronic Chern insulator phase. The non-trivial topology can be experimentally observed both by non-local optoelectronic response of exciton edge modes and by a phase shift in the cross-correlation response d"},"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":"1707.03136","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-07-11T05:37:48Z","cross_cats_sorted":[],"title_canon_sha256":"764a1c43ea05a1a125f79cd5cafc129e8e45e426064a62d0152313592cb1defe","abstract_canon_sha256":"9b0e453173f6311c854d09105943fa33595c2496f5839faf7eccac5228909447"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:33:16.572544Z","signature_b64":"KWyYjEVt0hG5JbJhizmFgISknzrtsmC3lKgg+M3poofepxBGRGWwyfLbUq3SU7/6ztpAZZE0ZqPVyV27YcqaAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c804009f3f08bee747fa1c25cd773159918f6fee33cb4a03e8e7b35d33cb51b9","last_reissued_at":"2026-05-18T00:33:16.571830Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:33:16.571830Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Chiral Topological Excitons in a Chern Band Insulator","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Ke Chen, Ryuichi Shindou","submitted_at":"2017-07-11T05:37:48Z","abstract_excerpt":"A family of semiconductors called as Chern band insulator are shown to host exciton bands with non-zero topological Chern integers and chiral exciton edge modes. Using a prototypical two-band Chern insulator model, we calculate a cross-correlation function to obtain the exciton bands and their Chern integers. The lowest exciton band acquires Chern integers such as $\\pm 1$ and $\\pm 2$ in electronic Chern insulator phase. The non-trivial topology can be experimentally observed both by non-local optoelectronic response of exciton edge modes and by a phase shift in the cross-correlation response d"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.03136","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":"1707.03136","created_at":"2026-05-18T00:33:16.571943+00:00"},{"alias_kind":"arxiv_version","alias_value":"1707.03136v2","created_at":"2026-05-18T00:33:16.571943+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.03136","created_at":"2026-05-18T00:33:16.571943+00:00"},{"alias_kind":"pith_short_12","alias_value":"ZACABHZ7BC7O","created_at":"2026-05-18T12:31:59.375834+00:00"},{"alias_kind":"pith_short_16","alias_value":"ZACABHZ7BC7OOR72","created_at":"2026-05-18T12:31:59.375834+00:00"},{"alias_kind":"pith_short_8","alias_value":"ZACABHZ7","created_at":"2026-05-18T12:31:59.375834+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/ZACABHZ7BC7OOR72DQS425ZRLG","json":"https://pith.science/pith/ZACABHZ7BC7OOR72DQS425ZRLG.json","graph_json":"https://pith.science/api/pith-number/ZACABHZ7BC7OOR72DQS425ZRLG/graph.json","events_json":"https://pith.science/api/pith-number/ZACABHZ7BC7OOR72DQS425ZRLG/events.json","paper":"https://pith.science/paper/ZACABHZ7"},"agent_actions":{"view_html":"https://pith.science/pith/ZACABHZ7BC7OOR72DQS425ZRLG","download_json":"https://pith.science/pith/ZACABHZ7BC7OOR72DQS425ZRLG.json","view_paper":"https://pith.science/paper/ZACABHZ7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1707.03136&json=true","fetch_graph":"https://pith.science/api/pith-number/ZACABHZ7BC7OOR72DQS425ZRLG/graph.json","fetch_events":"https://pith.science/api/pith-number/ZACABHZ7BC7OOR72DQS425ZRLG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ZACABHZ7BC7OOR72DQS425ZRLG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ZACABHZ7BC7OOR72DQS425ZRLG/action/storage_attestation","attest_author":"https://pith.science/pith/ZACABHZ7BC7OOR72DQS425ZRLG/action/author_attestation","sign_citation":"https://pith.science/pith/ZACABHZ7BC7OOR72DQS425ZRLG/action/citation_signature","submit_replication":"https://pith.science/pith/ZACABHZ7BC7OOR72DQS425ZRLG/action/replication_record"}},"created_at":"2026-05-18T00:33:16.571943+00:00","updated_at":"2026-05-18T00:33:16.571943+00:00"}