Media type: E-Article Title: Competing structures in two dimensions: Square-to-hexagonal transition Contributor: Gränz, Barbara; Korshunov, Sergey E.; Geshkenbein, Vadim B.; Blatter, Gianni imprint: American Physical Society (APS), 2016 Published in: Physical Review B Language: English DOI: 10.1103/physrevb.94.054110 ISSN: 2469-9950; 2469-9969 Origination: Footnote: