{"id":"b39d2020-5965-4d2a-abf8-9ef6d73c4e07","arxiv_id":"2506.01999","paper_version":1,"verdict":"CONDITIONAL","confidence":"MODERATE","novelty_score":6.0,"correctness_risk":"medium","formal_verification":"none","parameter_count":0,"one_line_summary":"In an ultrathin gas cell, coherent atomic polarization transferred from a peripheral ring of a light beam to a central probe produces sub-Doppler Ramsey resonances, with gain possible at π phase difference.","lead":"This paper predicts that a light beam with a small central probe and a surrounding ring can create narrow, sub-Doppler Ramsey resonances in the absorption spectrum of an ultrathin gas cell. The effect could enable compact, high-resolution optical frequency references without atomic beams.","discovery_kind":"new_application","skeptic_critique":null,"referee_report":null,"author_rebuttal":null,"desk_editor":null,"rs_alignment":null,"lean_confirmation":null,"pith_extraction":null,"created_at":"2026-08-07T15:43:27.252497+00:00","model_set":{"reader":"deepseek-v4-flash"},"falsifier":null,"supporting_citations":[],"review_version":1}