{"id":"W1995013698","doi":"10.1103/physrevlett.87.197002","title":"Limits on Spin-Charge Separation from<mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mml:mi mathvariant=\"italic\">h</mml:mi><mml:mi>/</mml:mi><mml:mn>2</mml:mn><mml:mi mathvariant=\"italic\">e</mml:mi></mml:math>Fluxoids in Very Underdoped<mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mml:mrow><mml:msub><mml:mrow><mml:mi>YBa</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow><mml:mrow><mml:msub><mml:mrow><mml:mi>Cu</mml:mi></mml:mrow><mml:mrow><mml:mn>3</mml:mn></mml:mrow></mml:msub></mml:mrow><mml:mrow><mml:msub><mml:mrow><mml:mi>O</mml:mi></mml:mrow><mml:mrow><mml:mn>6</mml:mn><mml:mo>+</mml:mo><mml:mi mathvariant=\"italic\">x</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:math>","year":2001,"lang":"lv","type":"article","venue":"Physical Review Letters","topic":"Physics of Superconductivity and Magnetism","field":"Physics and Astronomy","cited_by":44,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of British Columbia","funders":"","keywords":"Superconductivity; Cuprate; Physics; Condensed matter physics; Superfluidity; Phase diagram; Flux (metallurgy); Charge (physics); Spin (aerodynamics); Magnetic flux; Phase (matter); Quantum mechanics; Materials science; Magnetic field; Thermodynamics","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":["metaepi_narrow","metaepi_broad","sts","scholarly_communication","open_science","research_integrity","insufficient_payload"],"consensus_categories":["metaepi_narrow","sts","open_science","research_integrity","insufficient_payload"],"category_scores_codex":[0.008517132,0.005095409,0.0019066,0.003271929,0.007253877,0.008754878,0.01183041,0.01001756,0.923803],"category_scores_gemma":[0.006970807,0.01124967,0.01142113,0.007235775,0.008918745,0.01027059,0.01013271,0.009654238,0.01389839],"about_ca_system_candidate":true,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001149127,"about_ca_system_score_gemma":0.008450728,"about_ca_topic_candidate":true,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.01107349,"about_ca_topic_score_gemma":0.008320353,"domain_scores_codex":[0.9545857,0.003294663,0.009040435,0.009213288,0.01166097,0.01220496],"domain_scores_gemma":[0.9632258,0.00789442,0.01039441,0.01092127,0.0009907673,0.006573339],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"not_applicable","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.005343792,0.001949039,0.00003461136,0.00512381,0.007624999,0.006875354,0.003873326,0.003506543,0.009114434,0.3414402,0.6107547,0.004359158],"study_design_scores_gemma":[0.008156413,0.00649201,0.0002619178,0.008315302,0.009589475,0.005923111,0.005332756,0.01865662,0.9071097,0.0005741251,0.01986273,0.009725826],"study_design_candidate":"bench_or_experimental","study_design_consensus":null,"genre_codex":"other","genre_gemma":"empirical","genre_scores_codex":[0.2762843,0.00600243,0.002350276,0.003639201,0.009752697,0.0002082042,0.003086431,0.001055442,0.697621],"genre_scores_gemma":[0.9321759,0.009975423,0.004765966,0.009832911,0.01216752,0.009606346,0.01454521,0.005659651,0.001271126],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.9099047,"threshold_uncertainty_score":0.9984792,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02096258834005219,"score_gpt":0.2558731759503684,"score_spread":0.2349105876103162,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}