{"id":"S2020010012","label":"BCS-BEC crossover","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2020010012","normalized_label":"bcs-bec crossover","broader":["http://id.loc.gov/authorities/subjects/sh85130598"],"aliases":["BCS to BEC crossover","Barden-Cooper-Schrieffer to Bose-Einstein crossover"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2020010012","provider":"lcsh","revision":"d66cf8fd1e6e31c6","taxonomy_revision":"f050b5d4780b1289","title":"BCS-BEC crossover","url":"/topics/S2020010012","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"5227623938512650242","address_version":"morton4x16-v1","coordinates":[0,481,39840,28672],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}