Cha, Min-ChulKim, DoochulLee, Ji-Woo2004-12-032004-12-0320012001http://hdl.handle.net/2003/186710.17877/DE290R-12366enThe American Physical SocietyPhysical Review Letters530Phase Diagram of a Disordered Boson Hubbard Model in Two Dimensions10.1103/PhysRevLett.87.247006article (journal)