{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:OLSSHZWN7ZYDODTOX3WT7TNCZW","short_pith_number":"pith:OLSSHZWN","schema_version":"1.0","canonical_sha256":"72e523e6cdfe70370e6ebeed3fcda2cdb509cae325e5510123243382b2881288","source":{"kind":"arxiv","id":"1703.07911","version":1},"attestation_state":"computed","paper":{"title":"Variation of entanglement entropy and mutual information in fermion-fermion scattering","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Jinbo Fan, Yanbin Deng, Yong-Chang Huang","submitted_at":"2017-03-23T02:51:30Z","abstract_excerpt":"We study the behavior of entanglement between different degrees of freedom of scattering fermions, based on an exemplary QED scattering process $e^+e^-\\longrightarrow\\mu^+\\mu^-$. The variation of entanglement entropy between two fermions from an initial state to the final state was computed, with respect to different entanglement between the ingoing particles. This variation of entanglement entropy is found to be proportional to an area quantity, the total cross section. We also study the spin-momentum and helicity-momentum entanglements within one particle in the aforementioned scattering pro"},"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":"1703.07911","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2017-03-23T02:51:30Z","cross_cats_sorted":[],"title_canon_sha256":"875422591c864716647622ab1f61d49d8b34afcef6d0ad76d815f62f0454c911","abstract_canon_sha256":"bf4ad6beb9a2872dc77bd1c8a21b00325e38e308ae8ceb8e441d76a57c1c449f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:48:04.436625Z","signature_b64":"XbPZFsWpWEHYaGwI9Hg3C/yUdeahzO5Pr9JvvTRXJKQnbr3MY1njGfASX4SlnDfMUihZG5lfawIuw4QLo4X/Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"72e523e6cdfe70370e6ebeed3fcda2cdb509cae325e5510123243382b2881288","last_reissued_at":"2026-05-18T00:48:04.435908Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:48:04.435908Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Variation of entanglement entropy and mutual information in fermion-fermion scattering","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Jinbo Fan, Yanbin Deng, Yong-Chang Huang","submitted_at":"2017-03-23T02:51:30Z","abstract_excerpt":"We study the behavior of entanglement between different degrees of freedom of scattering fermions, based on an exemplary QED scattering process $e^+e^-\\longrightarrow\\mu^+\\mu^-$. The variation of entanglement entropy between two fermions from an initial state to the final state was computed, with respect to different entanglement between the ingoing particles. This variation of entanglement entropy is found to be proportional to an area quantity, the total cross section. We also study the spin-momentum and helicity-momentum entanglements within one particle in the aforementioned scattering pro"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.07911","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":""},"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":"1703.07911","created_at":"2026-05-18T00:48:04.436015+00:00"},{"alias_kind":"arxiv_version","alias_value":"1703.07911v1","created_at":"2026-05-18T00:48:04.436015+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.07911","created_at":"2026-05-18T00:48:04.436015+00:00"},{"alias_kind":"pith_short_12","alias_value":"OLSSHZWN7ZYD","created_at":"2026-05-18T12:31:34.259226+00:00"},{"alias_kind":"pith_short_16","alias_value":"OLSSHZWN7ZYDODTO","created_at":"2026-05-18T12:31:34.259226+00:00"},{"alias_kind":"pith_short_8","alias_value":"OLSSHZWN","created_at":"2026-05-18T12:31:34.259226+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2402.16956","citing_title":"Positivity in Amplitudes and Quantum Entanglement","ref_index":53,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/OLSSHZWN7ZYDODTOX3WT7TNCZW","json":"https://pith.science/pith/OLSSHZWN7ZYDODTOX3WT7TNCZW.json","graph_json":"https://pith.science/api/pith-number/OLSSHZWN7ZYDODTOX3WT7TNCZW/graph.json","events_json":"https://pith.science/api/pith-number/OLSSHZWN7ZYDODTOX3WT7TNCZW/events.json","paper":"https://pith.science/paper/OLSSHZWN"},"agent_actions":{"view_html":"https://pith.science/pith/OLSSHZWN7ZYDODTOX3WT7TNCZW","download_json":"https://pith.science/pith/OLSSHZWN7ZYDODTOX3WT7TNCZW.json","view_paper":"https://pith.science/paper/OLSSHZWN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1703.07911&json=true","fetch_graph":"https://pith.science/api/pith-number/OLSSHZWN7ZYDODTOX3WT7TNCZW/graph.json","fetch_events":"https://pith.science/api/pith-number/OLSSHZWN7ZYDODTOX3WT7TNCZW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/OLSSHZWN7ZYDODTOX3WT7TNCZW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/OLSSHZWN7ZYDODTOX3WT7TNCZW/action/storage_attestation","attest_author":"https://pith.science/pith/OLSSHZWN7ZYDODTOX3WT7TNCZW/action/author_attestation","sign_citation":"https://pith.science/pith/OLSSHZWN7ZYDODTOX3WT7TNCZW/action/citation_signature","submit_replication":"https://pith.science/pith/OLSSHZWN7ZYDODTOX3WT7TNCZW/action/replication_record"}},"created_at":"2026-05-18T00:48:04.436015+00:00","updated_at":"2026-05-18T00:48:04.436015+00:00"}