Reply to Comment on "Superradiant Phase Transitions and the Standard   Description of Circuit QED"
  A Reply to the Comment by C. Ciuti and P. Nataf [arXiv:1112.0986v1] on our Letter "Superradiant Phase Transitions and the Standard Description of Circuit QED" [Phys. Rev. Lett. 107, 113602 (2011)]. 
Oliver Viehmann, Jan von Delft, and Florian Marquardt
cond-mat.mes-hall quant-ph