{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2001:QK5E6LHKMNUWBCKVRQZLEFDF67","short_pith_number":"pith:QK5E6LHK","schema_version":"1.0","canonical_sha256":"82ba4f2cea63696089558c32b21465f7eb7222cc5ba1d813bbe39a5b6bbd8625","source":{"kind":"arxiv","id":"cond-mat/0101069","version":1},"attestation_state":"computed","paper":{"title":"Magneto-photoluminescence of GaN/AlGaN quantum wells: valence band reordering and excitonic binding energies","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat","authors_text":"J. Massies, N. Grandjean, P.A. Shields, R.J. Nicholas","submitted_at":"2001-01-05T17:41:07Z","abstract_excerpt":"A re-ordered valence band in GaN/AlGaN quantum wells with respect to GaN epilayers has been found as a result of the observation of an enhanced g-factor in magneto-luminescence spectra in fields up to 55 T. This has been caused by a reversal of the states in the strained AlGaN barriers thus giving different barrier heights for the different quantum well hole states. From k.p calculations in the quasi-cubic approximation, a change in the valence-band ordering will account for the observed values for the g-factors.\n  We have also observed the well-width dependence of the in-plane extent of the e"},"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":"cond-mat/0101069","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat","submitted_at":"2001-01-05T17:41:07Z","cross_cats_sorted":[],"title_canon_sha256":"8767f697a740bb48c47e5cdf599241582da517923e884ae0e7b04e9516dfc7ae","abstract_canon_sha256":"95f3ae38e21357a9f75162af489b82d78f1bb6c50c02deba38fef61eb42450f6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:24:50.485585Z","signature_b64":"aCHnWoqJAwaoTJXK3cBvEXjYv5C0C/T2HPqj/R5adl1KjItfsCvJb8jddnb1LtcMxXMkjkNpndCd1SOi9wM+BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"82ba4f2cea63696089558c32b21465f7eb7222cc5ba1d813bbe39a5b6bbd8625","last_reissued_at":"2026-07-04T16:24:50.485140Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:24:50.485140Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Magneto-photoluminescence of GaN/AlGaN quantum wells: valence band reordering and excitonic binding energies","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat","authors_text":"J. Massies, N. Grandjean, P.A. Shields, R.J. Nicholas","submitted_at":"2001-01-05T17:41:07Z","abstract_excerpt":"A re-ordered valence band in GaN/AlGaN quantum wells with respect to GaN epilayers has been found as a result of the observation of an enhanced g-factor in magneto-luminescence spectra in fields up to 55 T. This has been caused by a reversal of the states in the strained AlGaN barriers thus giving different barrier heights for the different quantum well hole states. From k.p calculations in the quasi-cubic approximation, a change in the valence-band ordering will account for the observed values for the g-factors.\n  We have also observed the well-width dependence of the in-plane extent of the e"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0101069","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/cond-mat/0101069/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"cond-mat/0101069","created_at":"2026-07-04T16:24:50.485196+00:00"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0101069v1","created_at":"2026-07-04T16:24:50.485196+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0101069","created_at":"2026-07-04T16:24:50.485196+00:00"},{"alias_kind":"pith_short_12","alias_value":"QK5E6LHKMNUW","created_at":"2026-07-04T16:24:50.485196+00:00"},{"alias_kind":"pith_short_16","alias_value":"QK5E6LHKMNUWBCKV","created_at":"2026-07-04T16:24:50.485196+00:00"},{"alias_kind":"pith_short_8","alias_value":"QK5E6LHK","created_at":"2026-07-04T16:24:50.485196+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/QK5E6LHKMNUWBCKVRQZLEFDF67","json":"https://pith.science/pith/QK5E6LHKMNUWBCKVRQZLEFDF67.json","graph_json":"https://pith.science/api/pith-number/QK5E6LHKMNUWBCKVRQZLEFDF67/graph.json","events_json":"https://pith.science/api/pith-number/QK5E6LHKMNUWBCKVRQZLEFDF67/events.json","paper":"https://pith.science/paper/QK5E6LHK"},"agent_actions":{"view_html":"https://pith.science/pith/QK5E6LHKMNUWBCKVRQZLEFDF67","download_json":"https://pith.science/pith/QK5E6LHKMNUWBCKVRQZLEFDF67.json","view_paper":"https://pith.science/paper/QK5E6LHK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=cond-mat/0101069&json=true","fetch_graph":"https://pith.science/api/pith-number/QK5E6LHKMNUWBCKVRQZLEFDF67/graph.json","fetch_events":"https://pith.science/api/pith-number/QK5E6LHKMNUWBCKVRQZLEFDF67/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QK5E6LHKMNUWBCKVRQZLEFDF67/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QK5E6LHKMNUWBCKVRQZLEFDF67/action/storage_attestation","attest_author":"https://pith.science/pith/QK5E6LHKMNUWBCKVRQZLEFDF67/action/author_attestation","sign_citation":"https://pith.science/pith/QK5E6LHKMNUWBCKVRQZLEFDF67/action/citation_signature","submit_replication":"https://pith.science/pith/QK5E6LHKMNUWBCKVRQZLEFDF67/action/replication_record"}},"created_at":"2026-07-04T16:24:50.485196+00:00","updated_at":"2026-07-04T16:24:50.485196+00:00"}