{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:JIMUKGX5P7ZOACRXRVJ6Q4QMHP","short_pith_number":"pith:JIMUKGX5","schema_version":"1.0","canonical_sha256":"4a19451afd7ff2e00a378d53e8720c3bff5bfd7bed7e4d6c3e4d96ca9b420782","source":{"kind":"arxiv","id":"1210.4309","version":1},"attestation_state":"computed","paper":{"title":"Adiabatic cooling of a single trapped ion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"physics.atom-ph","authors_text":"Gregers Poulsen, Michael Drewsen","submitted_at":"2012-10-16T08:46:28Z","abstract_excerpt":"We present experimental results on adiabatic cooling of a single 40Ca+ ion in a linear radiofrequency trap. After a period of laser cooling, the secular frequency along the rf-field-free axis is adiabatically lowered by nearly a factor of eight from 583 kHz to 75 kHz. For an ion originally Doppler laser cooled to a temperature of 0.65 +/- 0.03 mK, a temperature of 87 +/- 7 \\mu K is measured after the adiabatic expansion. Applying the same adiabatic cooling procedure to a single sideband cooled ion in the ground state (P0 = 0.978 +/- 0.002) resulted in a final ground state occupation of 0.947 +"},"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":"1210.4309","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2012-10-16T08:46:28Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"1d4aa50cc1202d1a529f2a4724f6ae73abdce79335c21213cffb2cba688483d4","abstract_canon_sha256":"572db4b63b1d3f79c967f777283773f74c741978b7dddc8ca281bda4505c173a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:43:06.388352Z","signature_b64":"tl74FQ/MMR1y+4YyOXTj0cvITGigdbN5cjRZrWvCSv5NTt+5yu4G0x5bB4bwEYcX2hsm9qYTkVFl8DaaYzQsDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4a19451afd7ff2e00a378d53e8720c3bff5bfd7bed7e4d6c3e4d96ca9b420782","last_reissued_at":"2026-05-18T03:43:06.387600Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:43:06.387600Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Adiabatic cooling of a single trapped ion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"physics.atom-ph","authors_text":"Gregers Poulsen, Michael Drewsen","submitted_at":"2012-10-16T08:46:28Z","abstract_excerpt":"We present experimental results on adiabatic cooling of a single 40Ca+ ion in a linear radiofrequency trap. After a period of laser cooling, the secular frequency along the rf-field-free axis is adiabatically lowered by nearly a factor of eight from 583 kHz to 75 kHz. For an ion originally Doppler laser cooled to a temperature of 0.65 +/- 0.03 mK, a temperature of 87 +/- 7 \\mu K is measured after the adiabatic expansion. Applying the same adiabatic cooling procedure to a single sideband cooled ion in the ground state (P0 = 0.978 +/- 0.002) resulted in a final ground state occupation of 0.947 +"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.4309","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":"1210.4309","created_at":"2026-05-18T03:43:06.387737+00:00"},{"alias_kind":"arxiv_version","alias_value":"1210.4309v1","created_at":"2026-05-18T03:43:06.387737+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.4309","created_at":"2026-05-18T03:43:06.387737+00:00"},{"alias_kind":"pith_short_12","alias_value":"JIMUKGX5P7ZO","created_at":"2026-05-18T12:27:11.947152+00:00"},{"alias_kind":"pith_short_16","alias_value":"JIMUKGX5P7ZOACRX","created_at":"2026-05-18T12:27:11.947152+00:00"},{"alias_kind":"pith_short_8","alias_value":"JIMUKGX5","created_at":"2026-05-18T12:27:11.947152+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/JIMUKGX5P7ZOACRXRVJ6Q4QMHP","json":"https://pith.science/pith/JIMUKGX5P7ZOACRXRVJ6Q4QMHP.json","graph_json":"https://pith.science/api/pith-number/JIMUKGX5P7ZOACRXRVJ6Q4QMHP/graph.json","events_json":"https://pith.science/api/pith-number/JIMUKGX5P7ZOACRXRVJ6Q4QMHP/events.json","paper":"https://pith.science/paper/JIMUKGX5"},"agent_actions":{"view_html":"https://pith.science/pith/JIMUKGX5P7ZOACRXRVJ6Q4QMHP","download_json":"https://pith.science/pith/JIMUKGX5P7ZOACRXRVJ6Q4QMHP.json","view_paper":"https://pith.science/paper/JIMUKGX5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1210.4309&json=true","fetch_graph":"https://pith.science/api/pith-number/JIMUKGX5P7ZOACRXRVJ6Q4QMHP/graph.json","fetch_events":"https://pith.science/api/pith-number/JIMUKGX5P7ZOACRXRVJ6Q4QMHP/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JIMUKGX5P7ZOACRXRVJ6Q4QMHP/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JIMUKGX5P7ZOACRXRVJ6Q4QMHP/action/storage_attestation","attest_author":"https://pith.science/pith/JIMUKGX5P7ZOACRXRVJ6Q4QMHP/action/author_attestation","sign_citation":"https://pith.science/pith/JIMUKGX5P7ZOACRXRVJ6Q4QMHP/action/citation_signature","submit_replication":"https://pith.science/pith/JIMUKGX5P7ZOACRXRVJ6Q4QMHP/action/replication_record"}},"created_at":"2026-05-18T03:43:06.387737+00:00","updated_at":"2026-05-18T03:43:06.387737+00:00"}