{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:R5DKGCMAY3IEIH43ZMB4MMANFY","short_pith_number":"pith:R5DKGCMA","schema_version":"1.0","canonical_sha256":"8f46a30980c6d0441f9bcb03c6300d2e1b4b6e849c702a5095ccc5451d3d800e","source":{"kind":"arxiv","id":"1501.04092","version":2},"attestation_state":"computed","paper":{"title":"Topological Polaritons in a Quantum Spin Hall Cavity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas"],"primary_cat":"cond-mat.mes-hall","authors_text":"Alexander Janot, Bernd Rosenow, Gil Refael","submitted_at":"2015-01-16T20:38:11Z","abstract_excerpt":"We study the topological structure of matter-light excitations, so called polaritons, in a quantum spin Hall insulator coupled to photonic cavity modes. We identify a topological invariant in the presence of time reversal (TR) symmetry, and demonstrate the existence of a TR-invariant topological phase. We find protected helical edge states with energies below the lower polariton branch and characteristic uncoupled excitonic states, both detectable by optical techniques. Applying a Zeeman field allows us to relate the topological index to the double coverage of the Bloch sphere by the polariton"},"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":"1501.04092","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-01-16T20:38:11Z","cross_cats_sorted":["cond-mat.quant-gas"],"title_canon_sha256":"7500361eac5ce9907ac5fe76c471ccf650b381784c63fe04f4d070821d9e37b2","abstract_canon_sha256":"a9f82f8db71b8aeed61dad686630e25981e5bba3f217ce58b3f185da7e6b1d1b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:16:19.000037Z","signature_b64":"Ya7mbmYqDZ9nvpm1p4IAsrzl9B4DB3JUrrzZW3bp6S9oVKfE+kBLizWTBxmeKDZ0qC2odTTkCMrBMRQqro+gBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8f46a30980c6d0441f9bcb03c6300d2e1b4b6e849c702a5095ccc5451d3d800e","last_reissued_at":"2026-05-18T01:16:18.999419Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:16:18.999419Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Topological Polaritons in a Quantum Spin Hall Cavity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas"],"primary_cat":"cond-mat.mes-hall","authors_text":"Alexander Janot, Bernd Rosenow, Gil Refael","submitted_at":"2015-01-16T20:38:11Z","abstract_excerpt":"We study the topological structure of matter-light excitations, so called polaritons, in a quantum spin Hall insulator coupled to photonic cavity modes. We identify a topological invariant in the presence of time reversal (TR) symmetry, and demonstrate the existence of a TR-invariant topological phase. We find protected helical edge states with energies below the lower polariton branch and characteristic uncoupled excitonic states, both detectable by optical techniques. Applying a Zeeman field allows us to relate the topological index to the double coverage of the Bloch sphere by the polariton"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.04092","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":"1501.04092","created_at":"2026-05-18T01:16:18.999518+00:00"},{"alias_kind":"arxiv_version","alias_value":"1501.04092v2","created_at":"2026-05-18T01:16:18.999518+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.04092","created_at":"2026-05-18T01:16:18.999518+00:00"},{"alias_kind":"pith_short_12","alias_value":"R5DKGCMAY3IE","created_at":"2026-05-18T12:29:39.896362+00:00"},{"alias_kind":"pith_short_16","alias_value":"R5DKGCMAY3IEIH43","created_at":"2026-05-18T12:29:39.896362+00:00"},{"alias_kind":"pith_short_8","alias_value":"R5DKGCMA","created_at":"2026-05-18T12:29:39.896362+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/R5DKGCMAY3IEIH43ZMB4MMANFY","json":"https://pith.science/pith/R5DKGCMAY3IEIH43ZMB4MMANFY.json","graph_json":"https://pith.science/api/pith-number/R5DKGCMAY3IEIH43ZMB4MMANFY/graph.json","events_json":"https://pith.science/api/pith-number/R5DKGCMAY3IEIH43ZMB4MMANFY/events.json","paper":"https://pith.science/paper/R5DKGCMA"},"agent_actions":{"view_html":"https://pith.science/pith/R5DKGCMAY3IEIH43ZMB4MMANFY","download_json":"https://pith.science/pith/R5DKGCMAY3IEIH43ZMB4MMANFY.json","view_paper":"https://pith.science/paper/R5DKGCMA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1501.04092&json=true","fetch_graph":"https://pith.science/api/pith-number/R5DKGCMAY3IEIH43ZMB4MMANFY/graph.json","fetch_events":"https://pith.science/api/pith-number/R5DKGCMAY3IEIH43ZMB4MMANFY/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/R5DKGCMAY3IEIH43ZMB4MMANFY/action/timestamp_anchor","attest_storage":"https://pith.science/pith/R5DKGCMAY3IEIH43ZMB4MMANFY/action/storage_attestation","attest_author":"https://pith.science/pith/R5DKGCMAY3IEIH43ZMB4MMANFY/action/author_attestation","sign_citation":"https://pith.science/pith/R5DKGCMAY3IEIH43ZMB4MMANFY/action/citation_signature","submit_replication":"https://pith.science/pith/R5DKGCMAY3IEIH43ZMB4MMANFY/action/replication_record"}},"created_at":"2026-05-18T01:16:18.999518+00:00","updated_at":"2026-05-18T01:16:18.999518+00:00"}