Media type: E-Article Title: Topological bands with a Chern numberC=2by dipolar exchange interactions Contributor: Peter, David; Yao, Norman Y.; Lang, Nicolai; Huber, Sebastian D.; Lukin, Mikhail D.; Büchler, Hans Peter imprint: American Physical Society (APS), 2015 Published in: Physical Review A, 91 (2015) 5 Language: English DOI: 10.1103/physreva.91.053617 ISSN: 1050-2947; 1094-1622 Keywords: Atomic and Molecular Physics, and Optics Origination: Footnote: