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Zou LJ, Marcos D, Diehl S, et al. Implementation of the Dicke lattice model in hybrid quantum system arrays. Phys Rev Lett. 2014;113(2):023603doi: 10.1103/PhysRevLett.113.023603.
Zou, L. J., Marcos, D., Diehl, S., Putz, S., Schmiedmayer, J., Majer, J., & Rabl, P. (2014). Implementation of the Dicke lattice model in hybrid quantum system arrays. Physical review letters, 113(2), 023603. https://doi.org/10.1103/PhysRevLett.113.023603
Zou, L J, et al. "Implementation of the Dicke lattice model in hybrid quantum system arrays." Physical review letters vol. 113,2 (2014): 023603. doi: https://doi.org/10.1103/PhysRevLett.113.023603
Zou LJ, Marcos D, Diehl S, Putz S, Schmiedmayer J, Majer J, Rabl P. Implementation of the Dicke lattice model in hybrid quantum system arrays. Phys Rev Lett. 2014 Jul 11;113(2):023603. doi: 10.1103/PhysRevLett.113.023603. Epub 2014 Jul 10. PMID: 25062180.
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Phys Rev Lett. 2014 Jul 11;113(2):023603. doi: 10.1103/PhysRevLett.113.023603. Epub 2014 Jul 10.

Implementation of the Dicke lattice model in hybrid quantum system arrays.

Physical review letters

L J Zou, D Marcos, S Diehl, S Putz, J Schmiedmayer, J Majer, P Rabl

Affiliations

  1. Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA.
  2. Institute for Quantum Optics and Quantum Information of the Austrian Academy of Sciences, A-6020 Innsbruck, Austria.
  3. Institute for Theoretical Physics, University of Innsbruck, A-6020 Innsbruck, Austria.
  4. Vienna Center for Quantum Science and Technology, Atominstitut, Vienna University of Technology, Stadionallee 2, 1020 Vienna, Austria.

PMID: 25062180 DOI: 10.1103/PhysRevLett.113.023603

Abstract

Generalized Dicke models can be implemented in hybrid quantum systems built from ensembles of nitrogen-vacancy (NV) centers in diamond coupled to superconducting microwave cavities. By engineering cavity assisted Raman transitions between two spin states of the NV defect, a fully tunable model for collective light-matter interactions in the ultrastrong coupling limit can be obtained. Our analysis of the resulting nonequilibrium phases for a single cavity and for coupled cavity arrays shows that different superradiant phase transitions can be observed using existing experimental technologies, even in the presence of large inhomogeneous broadening of the spin ensemble. The phase diagram of the Dicke lattice model displays distinct features induced by dissipation, which can serve as a genuine experimental signature for phase transitions in driven open quantum systems.

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