{"paper":{"title":"Narrow-line-mediated Sisyphus cooling in the $^{3}\\mathrm{P}_{2}$ metastable state of strontium","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["cond-mat.quant-gas","quant-ph"],"primary_cat":"physics.atom-ph","authors_text":"Chun-Chia Chen, Hidetoshi Katori, Ryoto Takeuchi, Shoichi Okaba","submitted_at":"2025-06-24T15:12:03Z","abstract_excerpt":"We demonstrate narrow-line-mediated Sisyphus cooling of magnetically trapped strontium (Sr) in the $5s5p\\,^{3}\\textrm{P}_{2}$ state. A 641 nm standing-wave, blue-detuned from the $5s4d\\,^{3}\\textrm{D}_{3}$$\\,\\rightarrow$ $\\,5p4d\\,^{3}\\textrm{F}_{4}$ transition, creates a dissipative optical lattice in the $^{3}\\textrm{D}_{3}$ state. By combining Doppler cooling and Sisyphus cooling on the $5s5p\\,^{3}\\textrm{P}_{2}$$\\,\\rightarrow$ $5s4d\\,^{3}\\textrm{D}_{3}$ transition at 2.92 ${\\mu}$m, we observed efficient cooling of magnetically trapped atoms. By optically pumping the atoms to the $5s5p\\,^{3}"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.19701","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2506.19701/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"}