{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:ZPMBR7CMMCZ2MUMHX3CH6UFBGP","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"fd3becec34b2688439ae3d4c9285ac0f6bad10841d63d57978ec4fa45476cbc3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-06-01T07:06:37Z","title_canon_sha256":"8114d1e1926aefffd9fd74d188aecb69f2b9cc96be0867c7d9d8870667a10356"},"schema_version":"1.0","source":{"id":"1206.0100","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.0100","created_at":"2026-05-18T01:57:08Z"},{"alias_kind":"arxiv_version","alias_value":"1206.0100v3","created_at":"2026-05-18T01:57:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.0100","created_at":"2026-05-18T01:57:08Z"},{"alias_kind":"pith_short_12","alias_value":"ZPMBR7CMMCZ2","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_16","alias_value":"ZPMBR7CMMCZ2MUMH","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_8","alias_value":"ZPMBR7CM","created_at":"2026-05-18T12:27:30Z"}],"graph_snapshots":[{"event_id":"sha256:4333f35f89a2395564120544f18fd470d7e58ff52e4a1734743816647bb7ec35","target":"graph","created_at":"2026-05-18T01:57:08Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"Nuclear spin polarization can be pumped into spin-blocked quantum dots by multiple Landau- Zener passages through singlet-triplet anticrossings. By numerical simulations of realistic systems including approximately $10^7$ nuclear spins during $10^5$ sweeps, we uncover a mechanism of dynamical self-quenching which results in a fast saturation of the nuclear polarization under stationary pumping. This is caused by screening of the field of the nuclear spins. In systems with moderate spin-orbit coupling, self-quenching also screens the spin-orbit interaction. The mechanism is generic and remains ","authors_text":"Arne Brataas, Emmanuel I. Rashba","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-06-01T07:06:37Z","title":"Dynamical Self-Quenching of Spin Pumping into Double Quantum Dots"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.0100","kind":"arxiv","version":3},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:1efd893304bbc6c8f613d87268a234b38cac016bc3464fdfe58cb769c84b463c","target":"record","created_at":"2026-05-18T01:57:08Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"fd3becec34b2688439ae3d4c9285ac0f6bad10841d63d57978ec4fa45476cbc3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-06-01T07:06:37Z","title_canon_sha256":"8114d1e1926aefffd9fd74d188aecb69f2b9cc96be0867c7d9d8870667a10356"},"schema_version":"1.0","source":{"id":"1206.0100","kind":"arxiv","version":3}},"canonical_sha256":"cbd818fc4c60b3a65187bec47f50a133f739cbf7b8b3b71c9e45361675430c25","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cbd818fc4c60b3a65187bec47f50a133f739cbf7b8b3b71c9e45361675430c25","first_computed_at":"2026-05-18T01:57:08.980241Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:57:08.980241Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BLNud2/4LSiMGlBT2rtqXqm05mK9YfDDdRK0t0YbykfSizXtDEvYYt6sDupgAqod5267UXeM3JA2GeMbJMMIAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:57:08.980855Z","signed_message":"canonical_sha256_bytes"},"source_id":"1206.0100","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1efd893304bbc6c8f613d87268a234b38cac016bc3464fdfe58cb769c84b463c","sha256:4333f35f89a2395564120544f18fd470d7e58ff52e4a1734743816647bb7ec35"],"state_sha256":"259a75377d720827a7b65315038676dc1b40f94a46a0b380a56ede2cb6da2feb"}