{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:TDK6XDHAV73XD4AP5D6A5A6LEA","short_pith_number":"pith:TDK6XDHA","schema_version":"1.0","canonical_sha256":"98d5eb8ce0aff771f00fe8fc0e83cb20078371810c1e13cad7caa513cd25e2ca","source":{"kind":"arxiv","id":"1306.1151","version":1},"attestation_state":"computed","paper":{"title":"Magic frequencies in atom-light interaction for precision probing of the density matrix","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.atom-ph","physics.optics"],"primary_cat":"quant-ph","authors_text":"Amir Waxman, David Groswasser, Menachem Givon, Ron Folman, Tal David, Yair Margalit, Yonathan Japha","submitted_at":"2013-06-05T15:41:14Z","abstract_excerpt":"We analyze theoretically and experimentally the existence of a {\\it magic frequency} for which the absorption of a linearly polarized light beam by vapor alkali atoms is independent of the population distribution among the Zeeman sub-levels and the angle between the beam and a magnetic field. The phenomenon originates from a peculiar cancelation of the contributions of higher moments of the atomic density matrix, and is described using the Wigner-Eckart theorem and inherent properties of Clebsch-Gordan coefficients. One important application is the robust measurement of the hyperfine populatio"},"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":"1306.1151","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-06-05T15:41:14Z","cross_cats_sorted":["physics.atom-ph","physics.optics"],"title_canon_sha256":"75509928a1627e51a3632b41320283b2ab529cb4f6978ea764304941905339b3","abstract_canon_sha256":"ee198536fc6d26e95394a3ec0474c639a1c92599d53ea3207307fe57a6632687"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:49:32.442950Z","signature_b64":"ZT2IPbrXZmpMXEBQyj3eKl21KbCd4yrQhVImrM44Vj/AWEvmCUy0eviaAgghhPeLl09SdgLjZrsBBvc1kCvaDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"98d5eb8ce0aff771f00fe8fc0e83cb20078371810c1e13cad7caa513cd25e2ca","last_reissued_at":"2026-05-18T01:49:32.442518Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:49:32.442518Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Magic frequencies in atom-light interaction for precision probing of the density matrix","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.atom-ph","physics.optics"],"primary_cat":"quant-ph","authors_text":"Amir Waxman, David Groswasser, Menachem Givon, Ron Folman, Tal David, Yair Margalit, Yonathan Japha","submitted_at":"2013-06-05T15:41:14Z","abstract_excerpt":"We analyze theoretically and experimentally the existence of a {\\it magic frequency} for which the absorption of a linearly polarized light beam by vapor alkali atoms is independent of the population distribution among the Zeeman sub-levels and the angle between the beam and a magnetic field. The phenomenon originates from a peculiar cancelation of the contributions of higher moments of the atomic density matrix, and is described using the Wigner-Eckart theorem and inherent properties of Clebsch-Gordan coefficients. One important application is the robust measurement of the hyperfine populatio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.1151","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":"1306.1151","created_at":"2026-05-18T01:49:32.442585+00:00"},{"alias_kind":"arxiv_version","alias_value":"1306.1151v1","created_at":"2026-05-18T01:49:32.442585+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.1151","created_at":"2026-05-18T01:49:32.442585+00:00"},{"alias_kind":"pith_short_12","alias_value":"TDK6XDHAV73X","created_at":"2026-05-18T12:28:02.375192+00:00"},{"alias_kind":"pith_short_16","alias_value":"TDK6XDHAV73XD4AP","created_at":"2026-05-18T12:28:02.375192+00:00"},{"alias_kind":"pith_short_8","alias_value":"TDK6XDHA","created_at":"2026-05-18T12:28:02.375192+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/TDK6XDHAV73XD4AP5D6A5A6LEA","json":"https://pith.science/pith/TDK6XDHAV73XD4AP5D6A5A6LEA.json","graph_json":"https://pith.science/api/pith-number/TDK6XDHAV73XD4AP5D6A5A6LEA/graph.json","events_json":"https://pith.science/api/pith-number/TDK6XDHAV73XD4AP5D6A5A6LEA/events.json","paper":"https://pith.science/paper/TDK6XDHA"},"agent_actions":{"view_html":"https://pith.science/pith/TDK6XDHAV73XD4AP5D6A5A6LEA","download_json":"https://pith.science/pith/TDK6XDHAV73XD4AP5D6A5A6LEA.json","view_paper":"https://pith.science/paper/TDK6XDHA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1306.1151&json=true","fetch_graph":"https://pith.science/api/pith-number/TDK6XDHAV73XD4AP5D6A5A6LEA/graph.json","fetch_events":"https://pith.science/api/pith-number/TDK6XDHAV73XD4AP5D6A5A6LEA/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/TDK6XDHAV73XD4AP5D6A5A6LEA/action/timestamp_anchor","attest_storage":"https://pith.science/pith/TDK6XDHAV73XD4AP5D6A5A6LEA/action/storage_attestation","attest_author":"https://pith.science/pith/TDK6XDHAV73XD4AP5D6A5A6LEA/action/author_attestation","sign_citation":"https://pith.science/pith/TDK6XDHAV73XD4AP5D6A5A6LEA/action/citation_signature","submit_replication":"https://pith.science/pith/TDK6XDHAV73XD4AP5D6A5A6LEA/action/replication_record"}},"created_at":"2026-05-18T01:49:32.442585+00:00","updated_at":"2026-05-18T01:49:32.442585+00:00"}