{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:SZVMYFWXQAYA2COT6OIOCTCR6M","short_pith_number":"pith:SZVMYFWX","schema_version":"1.0","canonical_sha256":"966acc16d780300d09d3f390e14c51f3026321c96427da9bafa179332c75f634","source":{"kind":"arxiv","id":"1109.2913","version":1},"attestation_state":"computed","paper":{"title":"Experimental Study of Active LRC Circuits with PT-Symmetries","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cond-mat.other","authors_text":"Ang Li, F. M. Ellis, Joseph Schindler, Mei C. Zheng, Tsampikos Kottos","submitted_at":"2011-09-13T20:20:24Z","abstract_excerpt":"Mutually coupled modes of a pair of active LRC circuits, one with amplification and another with an equivalent amount of attenuation, provide an experimental realization of a wide class of systems where gain/loss mechanisms break the Hermiticity while preserving parity-time PT symmetry. For a value PT of the gain/loss strength parameter the eigen-frequencies undergo a spontaneous phase transition from real to complex values, while the normal modes coalesce acquiring a definite chirality. The consequences of the phase-transition in the spatiotemporal energy evolution are also presented."},"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":"1109.2913","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2011-09-13T20:20:24Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"ce6fb45e2d143d98503bcf2b254aee50bf2ac40a87bbdd77c811172367c4768c","abstract_canon_sha256":"56b0aab8bb1201de0dd022199d0e319170c28a85012bfa389933f443d6dfab8f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:00:33.345177Z","signature_b64":"+C89a9C2heEYBbDojdEA2XotYiGvaxhv0gDLGlFdxF791qx4tPOiaj/TpLN4ZkKi3we2jsV7pT4hWR6H17DABQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"966acc16d780300d09d3f390e14c51f3026321c96427da9bafa179332c75f634","last_reissued_at":"2026-05-18T02:00:33.344648Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:00:33.344648Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Experimental Study of Active LRC Circuits with PT-Symmetries","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cond-mat.other","authors_text":"Ang Li, F. M. Ellis, Joseph Schindler, Mei C. Zheng, Tsampikos Kottos","submitted_at":"2011-09-13T20:20:24Z","abstract_excerpt":"Mutually coupled modes of a pair of active LRC circuits, one with amplification and another with an equivalent amount of attenuation, provide an experimental realization of a wide class of systems where gain/loss mechanisms break the Hermiticity while preserving parity-time PT symmetry. For a value PT of the gain/loss strength parameter the eigen-frequencies undergo a spontaneous phase transition from real to complex values, while the normal modes coalesce acquiring a definite chirality. The consequences of the phase-transition in the spatiotemporal energy evolution are also presented."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.2913","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":"1109.2913","created_at":"2026-05-18T02:00:33.344739+00:00"},{"alias_kind":"arxiv_version","alias_value":"1109.2913v1","created_at":"2026-05-18T02:00:33.344739+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.2913","created_at":"2026-05-18T02:00:33.344739+00:00"},{"alias_kind":"pith_short_12","alias_value":"SZVMYFWXQAYA","created_at":"2026-05-18T12:26:41.206345+00:00"},{"alias_kind":"pith_short_16","alias_value":"SZVMYFWXQAYA2COT","created_at":"2026-05-18T12:26:41.206345+00:00"},{"alias_kind":"pith_short_8","alias_value":"SZVMYFWX","created_at":"2026-05-18T12:26:41.206345+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/SZVMYFWXQAYA2COT6OIOCTCR6M","json":"https://pith.science/pith/SZVMYFWXQAYA2COT6OIOCTCR6M.json","graph_json":"https://pith.science/api/pith-number/SZVMYFWXQAYA2COT6OIOCTCR6M/graph.json","events_json":"https://pith.science/api/pith-number/SZVMYFWXQAYA2COT6OIOCTCR6M/events.json","paper":"https://pith.science/paper/SZVMYFWX"},"agent_actions":{"view_html":"https://pith.science/pith/SZVMYFWXQAYA2COT6OIOCTCR6M","download_json":"https://pith.science/pith/SZVMYFWXQAYA2COT6OIOCTCR6M.json","view_paper":"https://pith.science/paper/SZVMYFWX","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1109.2913&json=true","fetch_graph":"https://pith.science/api/pith-number/SZVMYFWXQAYA2COT6OIOCTCR6M/graph.json","fetch_events":"https://pith.science/api/pith-number/SZVMYFWXQAYA2COT6OIOCTCR6M/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/SZVMYFWXQAYA2COT6OIOCTCR6M/action/timestamp_anchor","attest_storage":"https://pith.science/pith/SZVMYFWXQAYA2COT6OIOCTCR6M/action/storage_attestation","attest_author":"https://pith.science/pith/SZVMYFWXQAYA2COT6OIOCTCR6M/action/author_attestation","sign_citation":"https://pith.science/pith/SZVMYFWXQAYA2COT6OIOCTCR6M/action/citation_signature","submit_replication":"https://pith.science/pith/SZVMYFWXQAYA2COT6OIOCTCR6M/action/replication_record"}},"created_at":"2026-05-18T02:00:33.344739+00:00","updated_at":"2026-05-18T02:00:33.344739+00:00"}