{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:U6RAOP2G4KSGAS6IHMJJJLR4FL","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":"a16e5721cc972307d0137ac1d1e68e3885b43f935ecf1708c5665cc4ff275c77","cross_cats_sorted":["physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-03-02T10:32:50Z","title_canon_sha256":"f46bdf63ed47f5fba7afe52096b4a24beec098420a2abd81f3e9fa3046917202"},"schema_version":"1.0","source":{"id":"1803.00797","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.00797","created_at":"2026-05-18T00:08:43Z"},{"alias_kind":"arxiv_version","alias_value":"1803.00797v2","created_at":"2026-05-18T00:08:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.00797","created_at":"2026-05-18T00:08:43Z"},{"alias_kind":"pith_short_12","alias_value":"U6RAOP2G4KSG","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"U6RAOP2G4KSGAS6I","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"U6RAOP2G","created_at":"2026-05-18T12:32:56Z"}],"graph_snapshots":[{"event_id":"sha256:12aac2fe85d88237e460e53ac298858a3df5b162da089d9148a4c7e0bd62d593","target":"graph","created_at":"2026-05-18T00:08:43Z","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":"We report two novel effects in an inhomogeneous ensemble of two-level systems driven by an external field. First, we observe a rigidity of the oscillation frequency: the dominant Rabi oscillation frequency does not change with the frequency of the driving field, in contrast to the well-known law of Rabi frequency increase with growing detuning of the driving field. Second, we observe a time-dependent frequency shift of the ensemble-averaged oscillation. We show that these effects follow from the inhomogeneity of the two-level splitting across the ensemble, allowing for a distribution of local ","authors_text":"D. Groswasser, G. Liu, M. Givon, O. Be'er, R. Folman, Y. Japha, Y. Margalit","cross_cats":["physics.atom-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-03-02T10:32:50Z","title":"Survival of the fittest in the coherent evolution of quantum ensembles"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.00797","kind":"arxiv","version":2},"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":"sha256:0186d198732ec19e2638c3a2d07a929a0222809a8a7c6cfa27de5d91603806a2","target":"record","created_at":"2026-05-18T00:08:43Z","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":"a16e5721cc972307d0137ac1d1e68e3885b43f935ecf1708c5665cc4ff275c77","cross_cats_sorted":["physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-03-02T10:32:50Z","title_canon_sha256":"f46bdf63ed47f5fba7afe52096b4a24beec098420a2abd81f3e9fa3046917202"},"schema_version":"1.0","source":{"id":"1803.00797","kind":"arxiv","version":2}},"canonical_sha256":"a7a2073f46e2a4604bc83b1294ae3c2ad4fef574635e0f363d4a2f96ccb6c897","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a7a2073f46e2a4604bc83b1294ae3c2ad4fef574635e0f363d4a2f96ccb6c897","first_computed_at":"2026-05-18T00:08:43.165923Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:08:43.165923Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"MrWQyjULn1ecqHvcn9uYo9IUHdNQBXInvnkYQyziNwVWL+cODt0Or4mqEmxHVv2VEErTbgR0lgwD8ow6XBkIDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:08:43.166485Z","signed_message":"canonical_sha256_bytes"},"source_id":"1803.00797","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0186d198732ec19e2638c3a2d07a929a0222809a8a7c6cfa27de5d91603806a2","sha256:12aac2fe85d88237e460e53ac298858a3df5b162da089d9148a4c7e0bd62d593"],"state_sha256":"16b9c07f805d77c9db216ecc13c2d8ce9f2ea5cfbf662316c8511bbb7d56ec8e"}