{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:JUHF4V33Z4QWNVA76YST5WSCTU","short_pith_number":"pith:JUHF4V33","schema_version":"1.0","canonical_sha256":"4d0e5e577bcf2166d41ff6253eda429d2a342275389bddbfff572546660dd312","source":{"kind":"arxiv","id":"1008.5298","version":1},"attestation_state":"computed","paper":{"title":"PT-symmetric laser-absorber","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Stefano Longhi","submitted_at":"2010-08-31T12:32:13Z","abstract_excerpt":"In a recent work, Y.D. Chong et al. [Phys. Rev. Lett. {\\bf 105}, 053901 (2010)] proposed the idea of a coherent perfect absorber (CPA) as the time-reversed counterpart of a laser, in which a purely incoming radiation pattern is completely absorbed by a lossy medium. The optical medium that realizes CPA is obtained by reversing the gain with absorption, and thus it generally differs from the lasing medium. Here it is shown that a laser with an optical medium that satisfies the parity-time $(\\mathcal{PT})$ symmetry condition $\\epsilon(-\\mathbf{r})=\\epsilon^*(\\mathbf{r})$ for the dielectric const"},"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":"1008.5298","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-08-31T12:32:13Z","cross_cats_sorted":[],"title_canon_sha256":"0db681157b6398cdaea8c09ae142e6dfd70f79d41a030870f9bf3b384766d981","abstract_canon_sha256":"d8a3c6b1c6f94a6817ebbb0aa755311cfb3877b8957a5ad480bcb20b2b28cb59"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:05:41.091752Z","signature_b64":"k4sGuQhenctM2tgoeeImbjV4sw9AwlNRUS3hEujyLQVVgRgX+aSyR28DauX65WNxQ2Md0LVvwUUx+8eFyq4PBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4d0e5e577bcf2166d41ff6253eda429d2a342275389bddbfff572546660dd312","last_reissued_at":"2026-05-18T02:05:41.091023Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:05:41.091023Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"PT-symmetric laser-absorber","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Stefano Longhi","submitted_at":"2010-08-31T12:32:13Z","abstract_excerpt":"In a recent work, Y.D. Chong et al. [Phys. Rev. Lett. {\\bf 105}, 053901 (2010)] proposed the idea of a coherent perfect absorber (CPA) as the time-reversed counterpart of a laser, in which a purely incoming radiation pattern is completely absorbed by a lossy medium. The optical medium that realizes CPA is obtained by reversing the gain with absorption, and thus it generally differs from the lasing medium. Here it is shown that a laser with an optical medium that satisfies the parity-time $(\\mathcal{PT})$ symmetry condition $\\epsilon(-\\mathbf{r})=\\epsilon^*(\\mathbf{r})$ for the dielectric const"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.5298","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":"1008.5298","created_at":"2026-05-18T02:05:41.091140+00:00"},{"alias_kind":"arxiv_version","alias_value":"1008.5298v1","created_at":"2026-05-18T02:05:41.091140+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.5298","created_at":"2026-05-18T02:05:41.091140+00:00"},{"alias_kind":"pith_short_12","alias_value":"JUHF4V33Z4QW","created_at":"2026-05-18T12:26:09.077623+00:00"},{"alias_kind":"pith_short_16","alias_value":"JUHF4V33Z4QWNVA7","created_at":"2026-05-18T12:26:09.077623+00:00"},{"alias_kind":"pith_short_8","alias_value":"JUHF4V33","created_at":"2026-05-18T12:26:09.077623+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2605.03730","citing_title":"Total transmission modes in draining bathtub model with vorticity","ref_index":18,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/JUHF4V33Z4QWNVA76YST5WSCTU","json":"https://pith.science/pith/JUHF4V33Z4QWNVA76YST5WSCTU.json","graph_json":"https://pith.science/api/pith-number/JUHF4V33Z4QWNVA76YST5WSCTU/graph.json","events_json":"https://pith.science/api/pith-number/JUHF4V33Z4QWNVA76YST5WSCTU/events.json","paper":"https://pith.science/paper/JUHF4V33"},"agent_actions":{"view_html":"https://pith.science/pith/JUHF4V33Z4QWNVA76YST5WSCTU","download_json":"https://pith.science/pith/JUHF4V33Z4QWNVA76YST5WSCTU.json","view_paper":"https://pith.science/paper/JUHF4V33","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1008.5298&json=true","fetch_graph":"https://pith.science/api/pith-number/JUHF4V33Z4QWNVA76YST5WSCTU/graph.json","fetch_events":"https://pith.science/api/pith-number/JUHF4V33Z4QWNVA76YST5WSCTU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JUHF4V33Z4QWNVA76YST5WSCTU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JUHF4V33Z4QWNVA76YST5WSCTU/action/storage_attestation","attest_author":"https://pith.science/pith/JUHF4V33Z4QWNVA76YST5WSCTU/action/author_attestation","sign_citation":"https://pith.science/pith/JUHF4V33Z4QWNVA76YST5WSCTU/action/citation_signature","submit_replication":"https://pith.science/pith/JUHF4V33Z4QWNVA76YST5WSCTU/action/replication_record"}},"created_at":"2026-05-18T02:05:41.091140+00:00","updated_at":"2026-05-18T02:05:41.091140+00:00"}