{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:KLBD55IGMXS5LDZNJIHCV3K56Q","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":"8f1670a65b3d6b3549b498bffbc819d2ee8968faebd5392418bd8006a608e9a2","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-08-13T18:37:04Z","title_canon_sha256":"ce87c253fafb892f2bc7dad57903d7ba006c9954a02130397541017e21a3cc85"},"schema_version":"1.0","source":{"id":"1008.2370","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.2370","created_at":"2026-05-18T03:23:47Z"},{"alias_kind":"arxiv_version","alias_value":"1008.2370v4","created_at":"2026-05-18T03:23:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.2370","created_at":"2026-05-18T03:23:47Z"},{"alias_kind":"pith_short_12","alias_value":"KLBD55IGMXS5","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_16","alias_value":"KLBD55IGMXS5LDZN","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_8","alias_value":"KLBD55IG","created_at":"2026-05-18T12:26:09Z"}],"graph_snapshots":[{"event_id":"sha256:87595d9b45ceb1e55926c913f0ee25b8f27775a726f3401e2869aa40784599f3","target":"graph","created_at":"2026-05-18T03:23:47Z","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 investigate whether a two-qubit quantum gate can be implemented in a scattering process involving a flying and a static qubit. To this end, we focus on a paradigmatic setup made out of a mobile particle and a quantum impurity, whose respective spin degrees of freedom couple to each other during a one-dimensional scattering process. Once a condition for the occurrence of quantum gates is derived in terms of spin-dependent transmission coefficients, we show that this can be actually fulfilled through the insertion of an additional narrow potential barrier. An interesting observation is that u","authors_text":"F. Ciccarello, G. Cordourier-Maruri, M. Zarcone, R. de Coss, S. Bose, Y. Omar","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-08-13T18:37:04Z","title":"Implementing quantum gates through scattering between a static and a flying qubit"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.2370","kind":"arxiv","version":4},"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:ddd03a036a7a818b483261a49676b4b264e015e0c915733b3bd772ed0ef9dac6","target":"record","created_at":"2026-05-18T03:23:47Z","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":"8f1670a65b3d6b3549b498bffbc819d2ee8968faebd5392418bd8006a608e9a2","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-08-13T18:37:04Z","title_canon_sha256":"ce87c253fafb892f2bc7dad57903d7ba006c9954a02130397541017e21a3cc85"},"schema_version":"1.0","source":{"id":"1008.2370","kind":"arxiv","version":4}},"canonical_sha256":"52c23ef50665e5d58f2d4a0e2aed5df43a2efd8d07d96888cb75244b7fb40cd8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"52c23ef50665e5d58f2d4a0e2aed5df43a2efd8d07d96888cb75244b7fb40cd8","first_computed_at":"2026-05-18T03:23:47.881522Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:23:47.881522Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HHERQ3dFn8O+kb/LjqQ7jdHhNXEgoR7S3jOjqiOow7sgexbxO73TpwzISXWADSCl1yHHG6+zjfMiLVfS+jFRBA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:23:47.882046Z","signed_message":"canonical_sha256_bytes"},"source_id":"1008.2370","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ddd03a036a7a818b483261a49676b4b264e015e0c915733b3bd772ed0ef9dac6","sha256:87595d9b45ceb1e55926c913f0ee25b8f27775a726f3401e2869aa40784599f3"],"state_sha256":"43fb1417642ee51ac63d20ce654fec99d339dc7e4414d8bd6ba0428e3a549786"}