Transforming an analog block into another one by single-qubit pulses (DAQS): D. Ballester, G. Romero, J. J. García-Ripoll, F. Deppe, and E. Solano, “Quantum simulation of the ultrastrong coupling dynamics in circuit QED”, Phys. Rev. X 2, 021007 (2012). Link: [1107.5748] Quantum Simulation of the Ultrastrong Coupling Dynamics in Circuit QED (arxiv.org)
Here, we developed first tools for creating Co-Design counter-rotating terms, associated with a pseudo-violation of energy conservation, onto a conventional light-matter interaction model. In that way we could move towards collective Dicke model and towards superradiance phenomena.