{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:UBVUPLMOUF4BB2LJLPWSA5OJCJ","short_pith_number":"pith:UBVUPLMO","schema_version":"1.0","canonical_sha256":"a06b47ad8ea17810e9695bed2075c9127611d236c1cd1a7bf56eb51ec1ba7fc7","source":{"kind":"arxiv","id":"1706.07303","version":1},"attestation_state":"computed","paper":{"title":"Nonlinear photoionization of transparent solids: a nonperturbative theory obeying selection rules","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. Couairon, M. E. Povarnitsyn, N. S. Shcheblanov, P. N. Terekhin, S. Guizard","submitted_at":"2017-06-22T13:00:41Z","abstract_excerpt":"We provide a nonperturbative theory for photoionization of transparent solids. By applying a particular steepest-descent method, we derive analytical expressions for the photoionization rate within the two-band structure model, which consistently account for the $selection$ $rules$ related to the parity of the number of absorbed photons ($odd$ or $even$). We demonstrate the crucial role of the interference of the transition amplitudes (saddle-points), which in the semi-classical limit, can be interpreted in terms of interfering quantum trajectories. Keldysh's foundational work of laser physics"},"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":"1706.07303","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-06-22T13:00:41Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"bdddbf3a02d5c3a2ea2464140e67afa87f58a3a4d373c92164df44b1a4c5c4b9","abstract_canon_sha256":"6582332507c00a88ee0b175898cd9a28ee6973f05784a7b675a5f26910d7bbaf"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:27:46.388175Z","signature_b64":"+OEXLJgxE6C2PHGzkRhINN2oAu9+tC+wZGTu1jXwB6QsU4xI4jwoqzg3S7O+g1SDLKc2UbrpRVik2BEMQ3MgCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a06b47ad8ea17810e9695bed2075c9127611d236c1cd1a7bf56eb51ec1ba7fc7","last_reissued_at":"2026-05-18T00:27:46.387724Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:27:46.387724Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Nonlinear photoionization of transparent solids: a nonperturbative theory obeying selection rules","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. Couairon, M. E. Povarnitsyn, N. S. Shcheblanov, P. N. Terekhin, S. Guizard","submitted_at":"2017-06-22T13:00:41Z","abstract_excerpt":"We provide a nonperturbative theory for photoionization of transparent solids. By applying a particular steepest-descent method, we derive analytical expressions for the photoionization rate within the two-band structure model, which consistently account for the $selection$ $rules$ related to the parity of the number of absorbed photons ($odd$ or $even$). We demonstrate the crucial role of the interference of the transition amplitudes (saddle-points), which in the semi-classical limit, can be interpreted in terms of interfering quantum trajectories. Keldysh's foundational work of laser physics"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.07303","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":"1706.07303","created_at":"2026-05-18T00:27:46.387796+00:00"},{"alias_kind":"arxiv_version","alias_value":"1706.07303v1","created_at":"2026-05-18T00:27:46.387796+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.07303","created_at":"2026-05-18T00:27:46.387796+00:00"},{"alias_kind":"pith_short_12","alias_value":"UBVUPLMOUF4B","created_at":"2026-05-18T12:31:46.661854+00:00"},{"alias_kind":"pith_short_16","alias_value":"UBVUPLMOUF4BB2LJ","created_at":"2026-05-18T12:31:46.661854+00:00"},{"alias_kind":"pith_short_8","alias_value":"UBVUPLMO","created_at":"2026-05-18T12:31:46.661854+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/UBVUPLMOUF4BB2LJLPWSA5OJCJ","json":"https://pith.science/pith/UBVUPLMOUF4BB2LJLPWSA5OJCJ.json","graph_json":"https://pith.science/api/pith-number/UBVUPLMOUF4BB2LJLPWSA5OJCJ/graph.json","events_json":"https://pith.science/api/pith-number/UBVUPLMOUF4BB2LJLPWSA5OJCJ/events.json","paper":"https://pith.science/paper/UBVUPLMO"},"agent_actions":{"view_html":"https://pith.science/pith/UBVUPLMOUF4BB2LJLPWSA5OJCJ","download_json":"https://pith.science/pith/UBVUPLMOUF4BB2LJLPWSA5OJCJ.json","view_paper":"https://pith.science/paper/UBVUPLMO","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1706.07303&json=true","fetch_graph":"https://pith.science/api/pith-number/UBVUPLMOUF4BB2LJLPWSA5OJCJ/graph.json","fetch_events":"https://pith.science/api/pith-number/UBVUPLMOUF4BB2LJLPWSA5OJCJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/UBVUPLMOUF4BB2LJLPWSA5OJCJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/UBVUPLMOUF4BB2LJLPWSA5OJCJ/action/storage_attestation","attest_author":"https://pith.science/pith/UBVUPLMOUF4BB2LJLPWSA5OJCJ/action/author_attestation","sign_citation":"https://pith.science/pith/UBVUPLMOUF4BB2LJLPWSA5OJCJ/action/citation_signature","submit_replication":"https://pith.science/pith/UBVUPLMOUF4BB2LJLPWSA5OJCJ/action/replication_record"}},"created_at":"2026-05-18T00:27:46.387796+00:00","updated_at":"2026-05-18T00:27:46.387796+00:00"}