{"id":"S2019000316","label":"Topological insulators","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2019000316","normalized_label":"topological insulators","broader":["http://id.loc.gov/authorities/subjects/sh2023002323","http://id.loc.gov/authorities/subjects/sh85041725"],"aliases":["Insulators, Topological"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2019000316","provider":"lcsh","revision":"069c1cfcfeffacfc","taxonomy_revision":"f050b5d4780b1289","title":"Topological insulators","url":"/topics/S2019000316","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10127544456327742534","address_version":"morton4x16-v1","coordinates":[0,481,24063,61440],"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}