{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2004:YEC6TCDNGZNF7OEWMDO4F4EGZ7","short_pith_number":"pith:YEC6TCDN","schema_version":"1.0","canonical_sha256":"c105e9886d365a5fb89660ddc2f086cfceff4abcffba6af9147fda998222117b","source":{"kind":"arxiv","id":"physics/0408011","version":2},"attestation_state":"computed","paper":{"title":"High efficiency symmetric beam splitter for cold atoms with a standing wave light pulse sequence","license":"","headline":"","cross_cats":[],"primary_cat":"physics.atom-ph","authors_text":"Mara Prentiss, Quentin Diot, Saijun Wu, Yingju Wang","submitted_at":"2004-08-03T02:47:36Z","abstract_excerpt":"In a recent experiment [1], it was observed that a sequence of two standing wave square pulses can split a BEC at rest into +/- 2 h_bar k diffraction orders with almost 100% efficiency. By truncating the Raman-Nath equations to a 2-state model, we provide an intuitive picture that explains this double square pulse beamsplitter scheme. We further show it is possible to optimize a standingwave multi square pulse sequence to efficiently diffract an atom at rest to symmetric superposition of +/- 2n h_bar k diffraction order with n>1. The approach is considered to be qualitatively different from th"},"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":"physics/0408011","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"physics.atom-ph","submitted_at":"2004-08-03T02:47:36Z","cross_cats_sorted":[],"title_canon_sha256":"223c6ad3f8a38fc32ea837a071698423010ac3e29d6669bfa41dcc1739964e30","abstract_canon_sha256":"59d337a6f723e7445cdc00eaa4fc1242522410d8103cc9a992c92299a77ac070"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:24:20.972801Z","signature_b64":"BgaYpUH8FuKGzUmxwcr5FZGU6UBJVB2fiB5X/Db6sIM2SXR5KpL4JvKczi3ZURN4CPM+Bmz4iL1vXMsDkr/qBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c105e9886d365a5fb89660ddc2f086cfceff4abcffba6af9147fda998222117b","last_reissued_at":"2026-05-18T03:24:20.971965Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:24:20.971965Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"High efficiency symmetric beam splitter for cold atoms with a standing wave light pulse sequence","license":"","headline":"","cross_cats":[],"primary_cat":"physics.atom-ph","authors_text":"Mara Prentiss, Quentin Diot, Saijun Wu, Yingju Wang","submitted_at":"2004-08-03T02:47:36Z","abstract_excerpt":"In a recent experiment [1], it was observed that a sequence of two standing wave square pulses can split a BEC at rest into +/- 2 h_bar k diffraction orders with almost 100% efficiency. By truncating the Raman-Nath equations to a 2-state model, we provide an intuitive picture that explains this double square pulse beamsplitter scheme. We further show it is possible to optimize a standingwave multi square pulse sequence to efficiently diffract an atom at rest to symmetric superposition of +/- 2n h_bar k diffraction order with n>1. The approach is considered to be qualitatively different from th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"physics/0408011","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":"physics/0408011","created_at":"2026-05-18T03:24:20.972093+00:00"},{"alias_kind":"arxiv_version","alias_value":"physics/0408011v2","created_at":"2026-05-18T03:24:20.972093+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.physics/0408011","created_at":"2026-05-18T03:24:20.972093+00:00"},{"alias_kind":"pith_short_12","alias_value":"YEC6TCDNGZNF","created_at":"2026-05-18T12:25:52.687210+00:00"},{"alias_kind":"pith_short_16","alias_value":"YEC6TCDNGZNF7OEW","created_at":"2026-05-18T12:25:52.687210+00:00"},{"alias_kind":"pith_short_8","alias_value":"YEC6TCDN","created_at":"2026-05-18T12:25:52.687210+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/YEC6TCDNGZNF7OEWMDO4F4EGZ7","json":"https://pith.science/pith/YEC6TCDNGZNF7OEWMDO4F4EGZ7.json","graph_json":"https://pith.science/api/pith-number/YEC6TCDNGZNF7OEWMDO4F4EGZ7/graph.json","events_json":"https://pith.science/api/pith-number/YEC6TCDNGZNF7OEWMDO4F4EGZ7/events.json","paper":"https://pith.science/paper/YEC6TCDN"},"agent_actions":{"view_html":"https://pith.science/pith/YEC6TCDNGZNF7OEWMDO4F4EGZ7","download_json":"https://pith.science/pith/YEC6TCDNGZNF7OEWMDO4F4EGZ7.json","view_paper":"https://pith.science/paper/YEC6TCDN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=physics/0408011&json=true","fetch_graph":"https://pith.science/api/pith-number/YEC6TCDNGZNF7OEWMDO4F4EGZ7/graph.json","fetch_events":"https://pith.science/api/pith-number/YEC6TCDNGZNF7OEWMDO4F4EGZ7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/YEC6TCDNGZNF7OEWMDO4F4EGZ7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/YEC6TCDNGZNF7OEWMDO4F4EGZ7/action/storage_attestation","attest_author":"https://pith.science/pith/YEC6TCDNGZNF7OEWMDO4F4EGZ7/action/author_attestation","sign_citation":"https://pith.science/pith/YEC6TCDNGZNF7OEWMDO4F4EGZ7/action/citation_signature","submit_replication":"https://pith.science/pith/YEC6TCDNGZNF7OEWMDO4F4EGZ7/action/replication_record"}},"created_at":"2026-05-18T03:24:20.972093+00:00","updated_at":"2026-05-18T03:24:20.972093+00:00"}