{"id":"S85109461","label":"Quantum field theory","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85109461","normalized_label":"quantum field theory","broader":["http://id.loc.gov/authorities/subjects/sh85048117","http://id.loc.gov/authorities/subjects/sh85109469","http://id.loc.gov/authorities/subjects/sh85112497"],"aliases":["Relativistic quantum field theory"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85109461","provider":"lcsh","revision":"f349df56d8c4b4fc","taxonomy_revision":"f050b5d4780b1289","title":"Quantum field theory","url":"/topics/S85109461","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"867022369062011460","address_version":"morton4x16-v1","coordinates":[0,20,19115,21504],"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}