{"id":"S88000478","label":"Quantum wells","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh88000478","normalized_label":"quantum wells","broader":["http://id.loc.gov/authorities/subjects/sh85043122","http://id.loc.gov/authorities/subjects/sh89005116"],"aliases":["Wells, Quantum"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh88000478","provider":"lcsh","revision":"644c3239f189ad09","taxonomy_revision":"f050b5d4780b1289","title":"Quantum wells","url":"/topics/S88000478","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"5534009440422217284","address_version":"morton4x16-v1","coordinates":[0,20,64287,30720],"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}