Media type: E-Article Title: Unraveling the Quantum Nature of Atomic Self-Ordering in a Ring Cavity Contributor: Ostermann, Stefan; Niedenzu, Wolfgang; Ritsch, Helmut Published: American Physical Society (APS), 2020 Published in: Physical Review Letters, 124 (2020) 3 Language: English DOI: 10.1103/physrevlett.124.033601 ISSN: 0031-9007; 1079-7114 Origination: Footnote: Access State: Open Access