{"paper":{"title":"Evaporative Cooling of a Guided Rubidium Atomic Beam","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.other","authors_text":"D. Gu\\'ery-Odelin (LKB - Lhomond), G. Reinaudi (LKB - Lhomond), J. Dalibard (LKB - Lhomond), S. P. Rath (LKB - Lhomond), Thierry Lahaye (LKB - Lhomond), Z. Wang (LKB - Lhomond)","submitted_at":"2005-05-30T09:14:50Z","abstract_excerpt":"We report on our recent progress in the manipulation and cooling of a magnetically guided, high flux beam of $^{87}{\\rm Rb}$ atoms. Typically $7\\times 10^9$ atoms per second propagate in a magnetic guide providing a transverse gradient of 800 G/cm, with a temperature $\\sim550$ $\\mu$K, at an initial velocity of 90 cm/s. The atoms are subsequently slowed down to $\\sim 60$ cm/s using an upward slope. The relatively high collision rate (5 s$^{-1}$) allows us to start forced evaporative cooling of the beam, leading to a reduction of the beam temperature by a factor of ~4, and a ten-fold increase of"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0505709","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"}