{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:UIXJ6D5IMMVSGJDAECHPB4UNMU","short_pith_number":"pith:UIXJ6D5I","schema_version":"1.0","canonical_sha256":"a22e9f0fa8632b232460208ef0f28d651a448aa14f6e78161258c718af2c5fbd","source":{"kind":"arxiv","id":"2306.00351","version":3},"attestation_state":"computed","paper":{"title":"Generalized Quantum Geometric Tensor in a Non-Hermitian Exciton-Polariton System","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"cond-mat.mes-hall","authors_text":"Elena A. Ostrovskaya, Eliezer Estrecho, Y.-M. Robin Hu","submitted_at":"2023-06-01T05:13:07Z","abstract_excerpt":"In this work, we review different generalizations of the quantum geometric tensor (QGT) in two-band non-Hermitian systems and propose a protocol for measuring them in experiments. We present the generalized QGT components, i.e. the quantum metric and Berry curvature, for a non-Hermitian hybrid photonic (exciton-polariton) system and show that the generalized non-Hermitian QGT can be constructed from experimental observables. In particular, we extend the existing method of measuring the QGT that uses the pseudospins in photonic and exciton-polariton systems by suggesting a method to construct t"},"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":"2306.00351","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2023-06-01T05:13:07Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"1c150c293f6120268d7e39c69e855f8334cd7543917327325cdfd8a95639f071","abstract_canon_sha256":"946fd1643e7af5967c0976668ad73408acb2ac4adbcd25f55080db9091a882f7"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:46:19.087345Z","signature_b64":"1GT5NpnqZqYGH/7y4R+VKMSkd8u8ZyTC9GmFwXgQUHmJxsnaDOfmOn9/6tjKOVz06dO2P0NrIuiThDFfgjBSAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a22e9f0fa8632b232460208ef0f28d651a448aa14f6e78161258c718af2c5fbd","last_reissued_at":"2026-07-05T07:46:19.086859Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:46:19.086859Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Generalized Quantum Geometric Tensor in a Non-Hermitian Exciton-Polariton System","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"cond-mat.mes-hall","authors_text":"Elena A. Ostrovskaya, Eliezer Estrecho, Y.-M. Robin Hu","submitted_at":"2023-06-01T05:13:07Z","abstract_excerpt":"In this work, we review different generalizations of the quantum geometric tensor (QGT) in two-band non-Hermitian systems and propose a protocol for measuring them in experiments. We present the generalized QGT components, i.e. the quantum metric and Berry curvature, for a non-Hermitian hybrid photonic (exciton-polariton) system and show that the generalized non-Hermitian QGT can be constructed from experimental observables. In particular, we extend the existing method of measuring the QGT that uses the pseudospins in photonic and exciton-polariton systems by suggesting a method to construct t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2306.00351","kind":"arxiv","version":3},"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/2306.00351/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":"2306.00351","created_at":"2026-07-05T07:46:19.086918+00:00"},{"alias_kind":"arxiv_version","alias_value":"2306.00351v3","created_at":"2026-07-05T07:46:19.086918+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2306.00351","created_at":"2026-07-05T07:46:19.086918+00:00"},{"alias_kind":"pith_short_12","alias_value":"UIXJ6D5IMMVS","created_at":"2026-07-05T07:46:19.086918+00:00"},{"alias_kind":"pith_short_16","alias_value":"UIXJ6D5IMMVSGJDA","created_at":"2026-07-05T07:46:19.086918+00:00"},{"alias_kind":"pith_short_8","alias_value":"UIXJ6D5I","created_at":"2026-07-05T07:46:19.086918+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":2,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2606.27810","citing_title":"A real-space exceptional ring mediates an eigenframe-charge transition in a non-Hermitian skyrmion","ref_index":25,"is_internal_anchor":false},{"citing_arxiv_id":"2606.27810","citing_title":"A real-space exceptional ring mediates an eigenframe-charge transition in a non-Hermitian skyrmion","ref_index":25,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/UIXJ6D5IMMVSGJDAECHPB4UNMU","json":"https://pith.science/pith/UIXJ6D5IMMVSGJDAECHPB4UNMU.json","graph_json":"https://pith.science/api/pith-number/UIXJ6D5IMMVSGJDAECHPB4UNMU/graph.json","events_json":"https://pith.science/api/pith-number/UIXJ6D5IMMVSGJDAECHPB4UNMU/events.json","paper":"https://pith.science/paper/UIXJ6D5I"},"agent_actions":{"view_html":"https://pith.science/pith/UIXJ6D5IMMVSGJDAECHPB4UNMU","download_json":"https://pith.science/pith/UIXJ6D5IMMVSGJDAECHPB4UNMU.json","view_paper":"https://pith.science/paper/UIXJ6D5I","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2306.00351&json=true","fetch_graph":"https://pith.science/api/pith-number/UIXJ6D5IMMVSGJDAECHPB4UNMU/graph.json","fetch_events":"https://pith.science/api/pith-number/UIXJ6D5IMMVSGJDAECHPB4UNMU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/UIXJ6D5IMMVSGJDAECHPB4UNMU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/UIXJ6D5IMMVSGJDAECHPB4UNMU/action/storage_attestation","attest_author":"https://pith.science/pith/UIXJ6D5IMMVSGJDAECHPB4UNMU/action/author_attestation","sign_citation":"https://pith.science/pith/UIXJ6D5IMMVSGJDAECHPB4UNMU/action/citation_signature","submit_replication":"https://pith.science/pith/UIXJ6D5IMMVSGJDAECHPB4UNMU/action/replication_record"}},"created_at":"2026-07-05T07:46:19.086918+00:00","updated_at":"2026-07-05T07:46:19.086918+00:00"}