Quantum phase transition of light in the dissipative Rabi-Hubbard lattice: A dressed-master-equation perspective
arXiv:2106.11867 · doi:10.1103/PhysRevA.104.053708
Abstract
In this work, we investigate the quantum phase transition of light in the dissipative Rabi-Hubbard lattice under the framework of the mean-field theory and quantum dressed master equation. The order parameter of photons in strong qubit-photon coupling regime is derived analytically both at zero and low temperatures. Interestingly, we can locate the localization and delocalization phase transition very well in a wide parameter region. {In particular for the zero-temperature limit, the critical tunneling strength approaches zero generally in the deep-strong qubit-photon coupling regime, regardless of the quantum dissipation. This is contrary to the previous results with the finite minimal critical tunneling strength based on the standard Lindblad master equation. Moreover, a significant improvement of the critical tunneling is also observed at finite temperature, compared with the counterpart under the Lindblad description. We hope these results may deepen the understanding of the phase transition of photons in the Rabi-Hubbard model.
7 pages, 1 figures
References in corpus (15)
- Topological Photonics
- Quantum fluids of light
- Beyond the Jaynes-Cummings model: circuit QED in the ultrastrong coupling regime
- Strongly Interacting Polaritons in Coupled Arrays of Cavities
- Quantum phase transitions of light
- Observation of the Bloch-Siegert Shift in a Qubit-Oscillator System in the Ultrastrong Coupling Regime
- Observation of a dissipative phase transition in a one-dimensional circuit QED lattice
- Superfluid-Mott Insulator Transition of Light in the Jaynes-Cummings Lattice
- On the phase transition of light in cavity QED lattices
- Strong coupling theory for the Jaynes-Cummings-Hubbard model
- Nonclassical Radiation from Thermal Cavities in the Ultrastrong Coupling Regime
- Fate of photon blockade in the deep strong coupling regime
- Linked cluster expansions for open quantum systems on a lattice
- Quantum Phase Transitions of Light in the Dicke-Bose-Hubbard model
- Metastability in the driven-dissipative Rabi model