Media type: E-Article Title: Spectral analysis of two-dimensional Bose-Hubbard models Contributor: Fischer, David; Hoffmann, Darius; Wimberger, Sandro Published: American Physical Society (APS), 2016 Published in: Physical Review A, 93 (2016) 4 Language: English DOI: 10.1103/physreva.93.043620 ISSN: 2469-9926; 2469-9934 Origination: Footnote: