{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:7URYC3MUUBO3VFDE5OBOV3I4TB","short_pith_number":"pith:7URYC3MU","schema_version":"1.0","canonical_sha256":"fd23816d94a05dba9464eb82eaed1c985e391aca394342a44f8ebd2ffb0ae77a","source":{"kind":"arxiv","id":"1105.6334","version":3},"attestation_state":"computed","paper":{"title":"Optical nonlinearity in Ar and N$_2$ near the ionization threshold","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.atom-ph","physics.plasm-ph"],"primary_cat":"physics.optics","authors_text":"H. M. Milchberg, J. K. Wahlstrand, Y.-H. Chen, Y.-H. Cheng","submitted_at":"2011-05-31T16:21:35Z","abstract_excerpt":"We directly measure the nonlinear optical response in argon and nitrogen in a thin gas target to laser intensities near the ionization threshold. No instantaneous negative nonlinear refractive index is observed, nor is saturation, in contrast with a previous measurement [Loriot et al., Opt. Express v. 17, 13429 (2009)] and calculations [Br\\'ee et al., Phys. Rev. Lett. v. 106, 183902 (2011)]. In addition, we are able to cleanly separate the instantaneous and rotational components of the nonlinear response in nitrogen. In both Ar and N$_2$, we observe the peak instantaneous index response scale "},"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":"1105.6334","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2011-05-31T16:21:35Z","cross_cats_sorted":["physics.atom-ph","physics.plasm-ph"],"title_canon_sha256":"23d48d48c945e41016c334a3762455b32a16f4a3cd9ef84e3f1bab05bc8f95e5","abstract_canon_sha256":"c99f9f8e819f32b08b6d09f73c6fe5c0e4e6d2a75bcae5d2f690b2631d6769ed"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:01:45.369650Z","signature_b64":"yYAA2u51zx+N/VOHcKpmiaaSciCMFj/n+8CL9JZDOTf3KgKJHB/BmKOWLryJ82ToIibeTBWk8RqCX8ScY41tBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fd23816d94a05dba9464eb82eaed1c985e391aca394342a44f8ebd2ffb0ae77a","last_reissued_at":"2026-05-18T02:01:45.369120Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:01:45.369120Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Optical nonlinearity in Ar and N$_2$ near the ionization threshold","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.atom-ph","physics.plasm-ph"],"primary_cat":"physics.optics","authors_text":"H. M. Milchberg, J. K. Wahlstrand, Y.-H. Chen, Y.-H. Cheng","submitted_at":"2011-05-31T16:21:35Z","abstract_excerpt":"We directly measure the nonlinear optical response in argon and nitrogen in a thin gas target to laser intensities near the ionization threshold. No instantaneous negative nonlinear refractive index is observed, nor is saturation, in contrast with a previous measurement [Loriot et al., Opt. Express v. 17, 13429 (2009)] and calculations [Br\\'ee et al., Phys. Rev. Lett. v. 106, 183902 (2011)]. In addition, we are able to cleanly separate the instantaneous and rotational components of the nonlinear response in nitrogen. In both Ar and N$_2$, we observe the peak instantaneous index response scale "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.6334","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":""},"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":"1105.6334","created_at":"2026-05-18T02:01:45.369212+00:00"},{"alias_kind":"arxiv_version","alias_value":"1105.6334v3","created_at":"2026-05-18T02:01:45.369212+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.6334","created_at":"2026-05-18T02:01:45.369212+00:00"},{"alias_kind":"pith_short_12","alias_value":"7URYC3MUUBO3","created_at":"2026-05-18T12:26:22.705136+00:00"},{"alias_kind":"pith_short_16","alias_value":"7URYC3MUUBO3VFDE","created_at":"2026-05-18T12:26:22.705136+00:00"},{"alias_kind":"pith_short_8","alias_value":"7URYC3MU","created_at":"2026-05-18T12:26:22.705136+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/7URYC3MUUBO3VFDE5OBOV3I4TB","json":"https://pith.science/pith/7URYC3MUUBO3VFDE5OBOV3I4TB.json","graph_json":"https://pith.science/api/pith-number/7URYC3MUUBO3VFDE5OBOV3I4TB/graph.json","events_json":"https://pith.science/api/pith-number/7URYC3MUUBO3VFDE5OBOV3I4TB/events.json","paper":"https://pith.science/paper/7URYC3MU"},"agent_actions":{"view_html":"https://pith.science/pith/7URYC3MUUBO3VFDE5OBOV3I4TB","download_json":"https://pith.science/pith/7URYC3MUUBO3VFDE5OBOV3I4TB.json","view_paper":"https://pith.science/paper/7URYC3MU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1105.6334&json=true","fetch_graph":"https://pith.science/api/pith-number/7URYC3MUUBO3VFDE5OBOV3I4TB/graph.json","fetch_events":"https://pith.science/api/pith-number/7URYC3MUUBO3VFDE5OBOV3I4TB/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7URYC3MUUBO3VFDE5OBOV3I4TB/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7URYC3MUUBO3VFDE5OBOV3I4TB/action/storage_attestation","attest_author":"https://pith.science/pith/7URYC3MUUBO3VFDE5OBOV3I4TB/action/author_attestation","sign_citation":"https://pith.science/pith/7URYC3MUUBO3VFDE5OBOV3I4TB/action/citation_signature","submit_replication":"https://pith.science/pith/7URYC3MUUBO3VFDE5OBOV3I4TB/action/replication_record"}},"created_at":"2026-05-18T02:01:45.369212+00:00","updated_at":"2026-05-18T02:01:45.369212+00:00"}