Spontaneous conversion from virtual to real photons in the ultrastrong coupling regime

By R. Stassi, A. Ridolfo, O. Di Stefano, M. J. Hartmann, and S. Savasta is published in Phys. Rev. Lett. 110 243601 (2013).

By R. Stassi, A. Ridolfo, O. Di Stefano, M. J. Hartmann, and S. Savasta is published in Phys. Rev. Lett. 110 243601 (2013).