{"work":{"id":"2dd10f11-37e1-4560-869f-17b1ca6fce7f","openalex_id":null,"doi":null,"arxiv_id":"2003.01100","raw_key":null,"title":"The landscape of QCD axion models","authors":null,"authors_text":"Luca Di Luzio, Maurizio Giannotti, Enrico Nardi, Luca Visinelli","year":2020,"venue":"hep-ph","abstract":"We review the landscape of QCD axion models. Theoretical constructions that extend the window for the axion mass and couplings beyond conventional regions are highlighted and classified. Bounds from cosmology, astrophysics and experimental searches are reexamined and updated.","external_url":"https://arxiv.org/abs/2003.01100","cited_by_count":null,"metadata_source":"pith","metadata_fetched_at":"2026-07-10T15:27:19.918096+00:00","pith_arxiv_id":"2003.01100","created_at":"2026-05-09T06:55:45.733960+00:00","updated_at":"2026-07-10T15:27:19.918096+00:00","title_quality_ok":false,"display_title":"The landscape of QCD axion models","render_title":"The landscape of QCD axion models"},"hub":{"state":{"work_id":"2dd10f11-37e1-4560-869f-17b1ca6fce7f","tier":"hub","tier_reason":"10+ Pith inbound or 1,000+ external citations","pith_inbound_count":63,"external_cited_by_count":null,"distinct_field_count":6,"first_pith_cited_at":"2023-05-24T18:00:04+00:00","last_pith_cited_at":"2026-07-08T21:07:27+00:00","author_build_status":"not_needed","summary_status":"needed","contexts_status":"needed","graph_status":"needed","ask_index_status":"not_needed","reader_status":"not_needed","recognition_status":"not_needed","updated_at":"2026-08-22T11:49:21.398605+00:00","tier_text":"hub"},"tier":"hub","role_counts":[{"context_role":"background","n":24},{"context_role":"baseline","n":1},{"context_role":"method","n":1}],"polarity_counts":[{"context_polarity":"background","n":23},{"context_polarity":"baseline","n":1},{"context_polarity":"unclear","n":1},{"context_polarity":"use_method","n":1}],"runs":{},"summary":{},"graph":{},"authors":[]}}