{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:BUWDZMDAGIBZ4PQ4T3JRV2E66U","short_pith_number":"pith:BUWDZMDA","schema_version":"1.0","canonical_sha256":"0d2c3cb06032039e3e1c9ed31ae89ef508e984323ead12e750859fdff9a60190","source":{"kind":"arxiv","id":"1712.00978","version":2},"attestation_state":"computed","paper":{"title":"Trend reversal in the magnetic-field dependence of exciton spin-transfer rates in diluted magnetic semiconductors due to non-Markovian dynamics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Florian Ungar, Moritz Cygorek, Vollrath Martin Axt","submitted_at":"2017-12-04T09:48:27Z","abstract_excerpt":"We investigate theoretically the influence of an external magnetic field on the spin dynamics of excitons in diluted magnetic semiconductor quantum wells. To this end, we apply a quantum kinetic theory beyond the Markov approximation which reveals that non-Markovian effects can significantly influence the exciton spin dynamics. If the magnetic field is oriented parallel to the growth direction of the well, the Markovian spin-transfer rate decreases monotonically with increasing field as predicted by Fermi's golden rule. The quantum kinetic theory follows this result qualitatively but predicts "},"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":"1712.00978","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-12-04T09:48:27Z","cross_cats_sorted":[],"title_canon_sha256":"c32c6a3f6273bb849448ccbd9ff4be02a5f25f8acad3b25d1505dfedb5ccc98e","abstract_canon_sha256":"a9340e592225c771ff06f2fcaa706f4fc7c0602653dfd69910558a85dd0e82f0"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:24:15.085609Z","signature_b64":"hC+ibKuTVRiQmstT4/GDArj+ZesIw6L42UiL5ZYIcPu9MrmoBxteeW7bckk53cCJbznPsBr+dSi95jiabfUXAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0d2c3cb06032039e3e1c9ed31ae89ef508e984323ead12e750859fdff9a60190","last_reissued_at":"2026-05-18T00:24:15.084930Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:24:15.084930Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Trend reversal in the magnetic-field dependence of exciton spin-transfer rates in diluted magnetic semiconductors due to non-Markovian dynamics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Florian Ungar, Moritz Cygorek, Vollrath Martin Axt","submitted_at":"2017-12-04T09:48:27Z","abstract_excerpt":"We investigate theoretically the influence of an external magnetic field on the spin dynamics of excitons in diluted magnetic semiconductor quantum wells. To this end, we apply a quantum kinetic theory beyond the Markov approximation which reveals that non-Markovian effects can significantly influence the exciton spin dynamics. If the magnetic field is oriented parallel to the growth direction of the well, the Markovian spin-transfer rate decreases monotonically with increasing field as predicted by Fermi's golden rule. The quantum kinetic theory follows this result qualitatively but predicts "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.00978","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":"1712.00978","created_at":"2026-05-18T00:24:15.085037+00:00"},{"alias_kind":"arxiv_version","alias_value":"1712.00978v2","created_at":"2026-05-18T00:24:15.085037+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.00978","created_at":"2026-05-18T00:24:15.085037+00:00"},{"alias_kind":"pith_short_12","alias_value":"BUWDZMDAGIBZ","created_at":"2026-05-18T12:31:08.081275+00:00"},{"alias_kind":"pith_short_16","alias_value":"BUWDZMDAGIBZ4PQ4","created_at":"2026-05-18T12:31:08.081275+00:00"},{"alias_kind":"pith_short_8","alias_value":"BUWDZMDA","created_at":"2026-05-18T12:31:08.081275+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/BUWDZMDAGIBZ4PQ4T3JRV2E66U","json":"https://pith.science/pith/BUWDZMDAGIBZ4PQ4T3JRV2E66U.json","graph_json":"https://pith.science/api/pith-number/BUWDZMDAGIBZ4PQ4T3JRV2E66U/graph.json","events_json":"https://pith.science/api/pith-number/BUWDZMDAGIBZ4PQ4T3JRV2E66U/events.json","paper":"https://pith.science/paper/BUWDZMDA"},"agent_actions":{"view_html":"https://pith.science/pith/BUWDZMDAGIBZ4PQ4T3JRV2E66U","download_json":"https://pith.science/pith/BUWDZMDAGIBZ4PQ4T3JRV2E66U.json","view_paper":"https://pith.science/paper/BUWDZMDA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1712.00978&json=true","fetch_graph":"https://pith.science/api/pith-number/BUWDZMDAGIBZ4PQ4T3JRV2E66U/graph.json","fetch_events":"https://pith.science/api/pith-number/BUWDZMDAGIBZ4PQ4T3JRV2E66U/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/BUWDZMDAGIBZ4PQ4T3JRV2E66U/action/timestamp_anchor","attest_storage":"https://pith.science/pith/BUWDZMDAGIBZ4PQ4T3JRV2E66U/action/storage_attestation","attest_author":"https://pith.science/pith/BUWDZMDAGIBZ4PQ4T3JRV2E66U/action/author_attestation","sign_citation":"https://pith.science/pith/BUWDZMDAGIBZ4PQ4T3JRV2E66U/action/citation_signature","submit_replication":"https://pith.science/pith/BUWDZMDAGIBZ4PQ4T3JRV2E66U/action/replication_record"}},"created_at":"2026-05-18T00:24:15.085037+00:00","updated_at":"2026-05-18T00:24:15.085037+00:00"}