@article{784551, author = {G Pupillo and Eite Tiesinga and Carl Williams}, title = {Effects of Inhomogeneity on the Spectrum of the Mott-Insulator State}, year = {2003}, number = {68}, month = {2003-12-01 00:12:00}, publisher = {Physical Review A (Atomic, Molecular and Optical Physics)}, language = {en}, }