{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2008:AIESM6VT6FHUXMO75XZFOBUB5I","short_pith_number":"pith:AIESM6VT","schema_version":"1.0","canonical_sha256":"0209267ab3f14f4bb1dfedf2570681ea305d17918559633e37d2017a220b1ade","source":{"kind":"arxiv","id":"0811.2479","version":2},"attestation_state":"computed","paper":{"title":"Negative-index media for matter-wave optics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"quant-ph","authors_text":"F. Perales, G. Dutier, J. Baudon, J. Grucker, M. Boustimi, M. Ducloy, M. Hamamda","submitted_at":"2008-11-15T10:47:18Z","abstract_excerpt":"We consider the extension of optical meta-materials to matter waves. We show that the generic property of pulsed comoving magnetic fields allows us to fashion the wave-number dependence of the atomic phase shift. It can be used to produce a transient negative group velocity of an atomic wave packet, which results into a negative refraction of the matter wave. Application to slow metastable argon atoms Ar*(3P2) shows that the device is able to operate either as an efficient beam splitter or an atomic meta-lens. Implications of \"meta-media\" in atom optics are considered."},"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":"0811.2479","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2008-11-15T10:47:18Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"36a00d0de68a3f50b15406835d39b08b11c3f0693a1661d5e9988a039d2c1da1","abstract_canon_sha256":"8aa0718b48b258917b02402038efed355cb21267bc0e9a54eeca826e424db742"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:15:20.973090Z","signature_b64":"O2kfRHLvxukuj1lfLUlACiGVbEjrpHMCiVhQGU8823x2sELZIP5G5DPMFr3aNR6uRR9WcDa+o+XdcE1C5eLDDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0209267ab3f14f4bb1dfedf2570681ea305d17918559633e37d2017a220b1ade","last_reissued_at":"2026-05-18T02:15:20.972371Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:15:20.972371Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Negative-index media for matter-wave optics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"quant-ph","authors_text":"F. Perales, G. Dutier, J. Baudon, J. Grucker, M. Boustimi, M. Ducloy, M. Hamamda","submitted_at":"2008-11-15T10:47:18Z","abstract_excerpt":"We consider the extension of optical meta-materials to matter waves. We show that the generic property of pulsed comoving magnetic fields allows us to fashion the wave-number dependence of the atomic phase shift. It can be used to produce a transient negative group velocity of an atomic wave packet, which results into a negative refraction of the matter wave. Application to slow metastable argon atoms Ar*(3P2) shows that the device is able to operate either as an efficient beam splitter or an atomic meta-lens. Implications of \"meta-media\" in atom optics are considered."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0811.2479","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":"0811.2479","created_at":"2026-05-18T02:15:20.972486+00:00"},{"alias_kind":"arxiv_version","alias_value":"0811.2479v2","created_at":"2026-05-18T02:15:20.972486+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0811.2479","created_at":"2026-05-18T02:15:20.972486+00:00"},{"alias_kind":"pith_short_12","alias_value":"AIESM6VT6FHU","created_at":"2026-05-18T12:25:56.245647+00:00"},{"alias_kind":"pith_short_16","alias_value":"AIESM6VT6FHUXMO7","created_at":"2026-05-18T12:25:56.245647+00:00"},{"alias_kind":"pith_short_8","alias_value":"AIESM6VT","created_at":"2026-05-18T12:25:56.245647+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/AIESM6VT6FHUXMO75XZFOBUB5I","json":"https://pith.science/pith/AIESM6VT6FHUXMO75XZFOBUB5I.json","graph_json":"https://pith.science/api/pith-number/AIESM6VT6FHUXMO75XZFOBUB5I/graph.json","events_json":"https://pith.science/api/pith-number/AIESM6VT6FHUXMO75XZFOBUB5I/events.json","paper":"https://pith.science/paper/AIESM6VT"},"agent_actions":{"view_html":"https://pith.science/pith/AIESM6VT6FHUXMO75XZFOBUB5I","download_json":"https://pith.science/pith/AIESM6VT6FHUXMO75XZFOBUB5I.json","view_paper":"https://pith.science/paper/AIESM6VT","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0811.2479&json=true","fetch_graph":"https://pith.science/api/pith-number/AIESM6VT6FHUXMO75XZFOBUB5I/graph.json","fetch_events":"https://pith.science/api/pith-number/AIESM6VT6FHUXMO75XZFOBUB5I/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/AIESM6VT6FHUXMO75XZFOBUB5I/action/timestamp_anchor","attest_storage":"https://pith.science/pith/AIESM6VT6FHUXMO75XZFOBUB5I/action/storage_attestation","attest_author":"https://pith.science/pith/AIESM6VT6FHUXMO75XZFOBUB5I/action/author_attestation","sign_citation":"https://pith.science/pith/AIESM6VT6FHUXMO75XZFOBUB5I/action/citation_signature","submit_replication":"https://pith.science/pith/AIESM6VT6FHUXMO75XZFOBUB5I/action/replication_record"}},"created_at":"2026-05-18T02:15:20.972486+00:00","updated_at":"2026-05-18T02:15:20.972486+00:00"}