{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:5D3H5PMLIAFCMX6YV64L7ADNMY","short_pith_number":"pith:5D3H5PML","schema_version":"1.0","canonical_sha256":"e8f67ebd8b400a265fd8afb8bf806d661cd2724c1bf37cd3cae451a25cad1f30","source":{"kind":"arxiv","id":"1307.5953","version":2},"attestation_state":"computed","paper":{"title":"Effective-Hamiltonian parameters for \\emph{ab initio} energy-level calculations of SrCl$_{2}$:Yb$^{2+}$ and CsCaBr$_{3}$:Yb$^{2+}$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.chem-ph"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. J. Salkeld, G. Sanchez-Sanz, J.-P. R. Wells, L. Seijo, M. F. Reid, Z. Barandiaran","submitted_at":"2013-07-23T05:58:45Z","abstract_excerpt":"Calculated energy levels from recent \\emph{ab initio} studies of the electronic structure of SrCl$_{2}$:Yb$^{2+}$ and CsCaBr$_{3}$:Yb$^{2+}$ are fitted with a semi-empirical \"crystal-field\" Hamiltonian, which acts within the model space $4f^{14} + 4f^{13}5d + 4f^{13}6s$. Parameters are obtained for the minima of the potential-energy curves for each energy level and also for a range of anion-cation separations. The parameters are compared with published results parameters fitted to experimental data and to atomic calculations. The states with significant $4f^{13}6s$ character give a good approx"},"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":"1307.5953","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-07-23T05:58:45Z","cross_cats_sorted":["physics.chem-ph"],"title_canon_sha256":"fc0bd2cb0b16e5d60a3be7751a8e400cd3f929f2cecf8d3a2d7bfb74dacb5b8b","abstract_canon_sha256":"05740160b4a802354caf9f302da139888e304e6deb03e5df39ed8d780f2d1391"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:11:46.276488Z","signature_b64":"qeeS68ZVMYPha7JXb6wYCcxsC1J/jehrHjpEX/0lm47yQrc+gadwTEUe69h9UuqmQGiJ4aiz8of+zZmIwHYtCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e8f67ebd8b400a265fd8afb8bf806d661cd2724c1bf37cd3cae451a25cad1f30","last_reissued_at":"2026-05-18T03:11:46.275953Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:11:46.275953Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Effective-Hamiltonian parameters for \\emph{ab initio} energy-level calculations of SrCl$_{2}$:Yb$^{2+}$ and CsCaBr$_{3}$:Yb$^{2+}$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.chem-ph"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. J. Salkeld, G. Sanchez-Sanz, J.-P. R. Wells, L. Seijo, M. F. Reid, Z. Barandiaran","submitted_at":"2013-07-23T05:58:45Z","abstract_excerpt":"Calculated energy levels from recent \\emph{ab initio} studies of the electronic structure of SrCl$_{2}$:Yb$^{2+}$ and CsCaBr$_{3}$:Yb$^{2+}$ are fitted with a semi-empirical \"crystal-field\" Hamiltonian, which acts within the model space $4f^{14} + 4f^{13}5d + 4f^{13}6s$. Parameters are obtained for the minima of the potential-energy curves for each energy level and also for a range of anion-cation separations. The parameters are compared with published results parameters fitted to experimental data and to atomic calculations. The states with significant $4f^{13}6s$ character give a good approx"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.5953","kind":"arxiv","version":2},"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":"1307.5953","created_at":"2026-05-18T03:11:46.276035+00:00"},{"alias_kind":"arxiv_version","alias_value":"1307.5953v2","created_at":"2026-05-18T03:11:46.276035+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.5953","created_at":"2026-05-18T03:11:46.276035+00:00"},{"alias_kind":"pith_short_12","alias_value":"5D3H5PMLIAFC","created_at":"2026-05-18T12:27:34.582898+00:00"},{"alias_kind":"pith_short_16","alias_value":"5D3H5PMLIAFCMX6Y","created_at":"2026-05-18T12:27:34.582898+00:00"},{"alias_kind":"pith_short_8","alias_value":"5D3H5PML","created_at":"2026-05-18T12:27:34.582898+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/5D3H5PMLIAFCMX6YV64L7ADNMY","json":"https://pith.science/pith/5D3H5PMLIAFCMX6YV64L7ADNMY.json","graph_json":"https://pith.science/api/pith-number/5D3H5PMLIAFCMX6YV64L7ADNMY/graph.json","events_json":"https://pith.science/api/pith-number/5D3H5PMLIAFCMX6YV64L7ADNMY/events.json","paper":"https://pith.science/paper/5D3H5PML"},"agent_actions":{"view_html":"https://pith.science/pith/5D3H5PMLIAFCMX6YV64L7ADNMY","download_json":"https://pith.science/pith/5D3H5PMLIAFCMX6YV64L7ADNMY.json","view_paper":"https://pith.science/paper/5D3H5PML","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1307.5953&json=true","fetch_graph":"https://pith.science/api/pith-number/5D3H5PMLIAFCMX6YV64L7ADNMY/graph.json","fetch_events":"https://pith.science/api/pith-number/5D3H5PMLIAFCMX6YV64L7ADNMY/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/5D3H5PMLIAFCMX6YV64L7ADNMY/action/timestamp_anchor","attest_storage":"https://pith.science/pith/5D3H5PMLIAFCMX6YV64L7ADNMY/action/storage_attestation","attest_author":"https://pith.science/pith/5D3H5PMLIAFCMX6YV64L7ADNMY/action/author_attestation","sign_citation":"https://pith.science/pith/5D3H5PMLIAFCMX6YV64L7ADNMY/action/citation_signature","submit_replication":"https://pith.science/pith/5D3H5PMLIAFCMX6YV64L7ADNMY/action/replication_record"}},"created_at":"2026-05-18T03:11:46.276035+00:00","updated_at":"2026-05-18T03:11:46.276035+00:00"}