{"paper":{"title":"Superconducting Fluctuation Driven Quantum Transport in Bi$_2$Sr$_2$CaCu$_2$O$_{8+\\delta}$ Thin Films","arxiv_id":"2611.09510","primary_cat":"cond-mat.supr-con","submitted_at":"2026-11-06T14:27:03+00:00","version_compiled":"v1"},"notice":"Every quoted sentence is the authors' text from the arXiv listing abstract. Labels and probabilities are the outputs of classifier-1.13.0 on the question bank abstract-p1-20260923, exactly as returned. No sentence in this record was written by a language model.","schema":"pith.compiled-record/v0","status":"compiled","abstract":{"source":"arXiv listing abstract v1","sentences":[{"i":0,"p":1.0,"id":"s0","own":false,"role":"background","text":"Superconducting fluctuations (SF), arising from Cooper-pair-driven interactions and electron-electron interactions within the transition regime, can dominate the magnetoconductance (MC) of superconducting thin films near their transition temperature.","hedge":{"p":0.64,"label":"hedged_possibility"},"own_p":0.06,"main_claim_p":0.07,"quantitative":false,"quantitative_p":0.22,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.0,"background":1.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.0}},{"i":1,"p":1.0,"id":"s1","own":false,"role":"background","text":"In some systems, this fluctuation-dominated regime is preceded by a narrow window in which quantum interference effects are manifested as weak antilocalization (WAL) or weak localization (WL).","hedge":{"p":0.69,"label":"hedged_possibility"},"own_p":0.05,"main_claim_p":0.03,"quantitative":false,"quantitative_p":0.1,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.0,"background":1.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.0}},{"i":2,"p":0.8,"id":"s2","own":true,"role":"contribution","text":"Here, we report magnetotransport measurements on thin films of the high-temperature superconductor Bi$_2$Sr$_2$CaCu$_2$O$_{8+\\delta}$ (BSCCO) that establish SF as the dominant mechanism governing MC across the transition regime.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.96,"main_claim_p":0.86,"quantitative":false,"quantitative_p":0.12,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.2,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.8,"interpretation":0.0}},{"i":3,"p":0.95,"id":"s3","own":true,"role":"result","text":"In the narrow temperature window well above $T_c$ where SF does not exist, a cusp in MC can be attributed to WAL-like signature well described by the Hikami--Larkin--Nagaoka (HLN) framework.","hedge":{"p":0.84,"label":"asserted"},"own_p":0.85,"main_claim_p":0.06,"quantitative":false,"quantitative_p":0.23,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.95,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.05}},{"i":4,"p":0.6,"id":"s4","own":true,"role":"interpretation","text":"Closer to the transition ($T_{BKT}$), we observe signatures consistent with Berezinskii--Kosterlitz--Thouless (BKT) correlations, underscoring that the dominant physics is set by collective, pairing-driven behavior rather than single-particle quantum interference.","hedge":{"p":0.76,"label":"hedged_possibility"},"own_p":0.93,"main_claim_p":0.23,"quantitative":false,"quantitative_p":0.21,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.4,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.6}},{"i":5,"p":0.89,"id":"s5","own":true,"role":"result","text":"Measurements on non-superconducting control samples show no WAL-like features, indicating that the WAL over narrow temperature window, emerges only in conjunction with superconducting fluctuations.","hedge":{"p":0.6,"label":"asserted"},"own_p":0.91,"main_claim_p":0.05,"quantitative":false,"quantitative_p":0.17,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.89,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.11}},{"i":6,"p":0.96,"id":"s6","own":true,"role":"result","text":"Hall measurements further reveal a concomitant sign reversal of the dominant carrier response, pointing to a substantial reorganization of transverse transport coincident with the onset of superconductivity.","hedge":{"p":0.78,"label":"asserted"},"own_p":0.93,"main_claim_p":0.05,"quantitative":false,"quantitative_p":0.07,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.96,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.04}},{"i":7,"p":0.89,"id":"s7","own":false,"role":"interpretation","text":"Together, these observations establish that magnetotransport in BSCCO thin film.","hedge":{"p":0.58,"label":"asserted"},"own_p":0.36,"main_claim_p":0.14,"quantitative":false,"quantitative_p":0.02,"role_probabilities":{"gap":0.01,"method":0.0,"result":0.04,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.06,"interpretation":0.89}}]},"compiled":{"main_claim":{"p":0.98,"text":"Here, we report magnetotransport measurements on thin films of the high-temperature superconductor Bi$_2$Sr$_2$CaCu$_2$O$_{8+\\delta}$ (BSCCO) that establish SF as the dominant 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