@article{PhysRevA.80.053821, title = {Analytic approximations to the phase diagram of the Jaynes-Cummings-Hubbard model}, author = {Mering, Alexander and Fleischhauer, Michael and Ivanov, Peter A. and Singer, Kilian}, journal = {Phys. Rev. A}, volume = {80}, issue = {5}, pages = {053821}, numpages = {9}, year = {2009}, month = {Nov}, publisher = {American Physical Society}, doi = {10.1103/PhysRevA.80.053821}, url = {https://link.aps.org/doi/10.1103/PhysRevA.80.053821} }