Nonequilibrium quantum phase transitions in the Dicke model.

  title={Nonequilibrium quantum phase transitions in the Dicke model.},
  author={V. Bastidas and C. Emary and B. Regler and T. Brandes},
  journal={Physical review letters},
  volume={108 4},
  • V. Bastidas, C. Emary, +1 author T. Brandes
  • Published 2012
  • Physics, Medicine
  • Physical review letters
  • We establish a set of nonequilibrium quantum phase transitions in the Dicke model by considering a monochromatic nonadiabatic modulation of the atom-field coupling. For weak driving the system exhibits a set of sidebands which allow the circumvention of the no-go theorem which otherwise forbids the occurrence of superradiant phase transitions. At strong driving we show that the system exhibits a rich multistable structure and exhibits both first- and second-order nonequilibrium quantum phase… CONTINUE READING
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