{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:GRF62OQXPYHMT32IPB7KGCJ5F5","short_pith_number":"pith:GRF62OQX","schema_version":"1.0","canonical_sha256":"344bed3a177e0ec9ef48787ea3093d2f6f6211911f47f7d20f1c77b1876e6f75","source":{"kind":"arxiv","id":"1311.6921","version":1},"attestation_state":"computed","paper":{"title":"Superluminal light propagation in a bi-chromatically Raman-driven and Doppler-broadened N-type 4-level atomic system","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Bakht Amin Bacha, Fazal Ghafoor, Iftikhar Ahmad","submitted_at":"2013-11-27T10:33:40Z","abstract_excerpt":"We investigate the behavior of fast light pulse propagation in an N-type Doppler-broadened 4-level atomic system using double Raman gain processes. This system displays novel and interesting results of two controllable pairs of the double gain lines profile with a control field. The detailed physics of the processes are explored having multiple controllable anomalous regions in the medium. In this set up, the system exhibits significant enhancement in the probing Gaussian pulse through the medium as compared with Ref. [L. J. Wang, A. Kuzmich, and A. Dogariu, Nature \\textbf{406}, 227(2000)]. Th"},"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":"1311.6921","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2013-11-27T10:33:40Z","cross_cats_sorted":[],"title_canon_sha256":"680dd611a1774147cda0f093eaf4a5d5cfe6b0eb6e78238afefe607877571704","abstract_canon_sha256":"e41223138f507c6376001fdebc9dfc86455ebf80a43b3fabcaa484ea52bb4216"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:06:04.539600Z","signature_b64":"2luxPJl3g3kOpyREpf1xxltiualzCInCJN4ZEGkTBHNeSjTa4aj4C3C94WR635NdPoZzZ9NQL8p/qaKd3cLhAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"344bed3a177e0ec9ef48787ea3093d2f6f6211911f47f7d20f1c77b1876e6f75","last_reissued_at":"2026-05-18T03:06:04.539083Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:06:04.539083Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Superluminal light propagation in a bi-chromatically Raman-driven and Doppler-broadened N-type 4-level atomic system","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Bakht Amin Bacha, Fazal Ghafoor, Iftikhar Ahmad","submitted_at":"2013-11-27T10:33:40Z","abstract_excerpt":"We investigate the behavior of fast light pulse propagation in an N-type Doppler-broadened 4-level atomic system using double Raman gain processes. This system displays novel and interesting results of two controllable pairs of the double gain lines profile with a control field. The detailed physics of the processes are explored having multiple controllable anomalous regions in the medium. In this set up, the system exhibits significant enhancement in the probing Gaussian pulse through the medium as compared with Ref. [L. J. Wang, A. Kuzmich, and A. Dogariu, Nature \\textbf{406}, 227(2000)]. Th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.6921","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":"1311.6921","created_at":"2026-05-18T03:06:04.539166+00:00"},{"alias_kind":"arxiv_version","alias_value":"1311.6921v1","created_at":"2026-05-18T03:06:04.539166+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.6921","created_at":"2026-05-18T03:06:04.539166+00:00"},{"alias_kind":"pith_short_12","alias_value":"GRF62OQXPYHM","created_at":"2026-05-18T12:27:45.050594+00:00"},{"alias_kind":"pith_short_16","alias_value":"GRF62OQXPYHMT32I","created_at":"2026-05-18T12:27:45.050594+00:00"},{"alias_kind":"pith_short_8","alias_value":"GRF62OQX","created_at":"2026-05-18T12:27:45.050594+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/GRF62OQXPYHMT32IPB7KGCJ5F5","json":"https://pith.science/pith/GRF62OQXPYHMT32IPB7KGCJ5F5.json","graph_json":"https://pith.science/api/pith-number/GRF62OQXPYHMT32IPB7KGCJ5F5/graph.json","events_json":"https://pith.science/api/pith-number/GRF62OQXPYHMT32IPB7KGCJ5F5/events.json","paper":"https://pith.science/paper/GRF62OQX"},"agent_actions":{"view_html":"https://pith.science/pith/GRF62OQXPYHMT32IPB7KGCJ5F5","download_json":"https://pith.science/pith/GRF62OQXPYHMT32IPB7KGCJ5F5.json","view_paper":"https://pith.science/paper/GRF62OQX","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1311.6921&json=true","fetch_graph":"https://pith.science/api/pith-number/GRF62OQXPYHMT32IPB7KGCJ5F5/graph.json","fetch_events":"https://pith.science/api/pith-number/GRF62OQXPYHMT32IPB7KGCJ5F5/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/GRF62OQXPYHMT32IPB7KGCJ5F5/action/timestamp_anchor","attest_storage":"https://pith.science/pith/GRF62OQXPYHMT32IPB7KGCJ5F5/action/storage_attestation","attest_author":"https://pith.science/pith/GRF62OQXPYHMT32IPB7KGCJ5F5/action/author_attestation","sign_citation":"https://pith.science/pith/GRF62OQXPYHMT32IPB7KGCJ5F5/action/citation_signature","submit_replication":"https://pith.science/pith/GRF62OQXPYHMT32IPB7KGCJ5F5/action/replication_record"}},"created_at":"2026-05-18T03:06:04.539166+00:00","updated_at":"2026-05-18T03:06:04.539166+00:00"}