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19 papers · 2 filters
Quantum simulation of ultrastrongly coupled bosonic modes using superconducting circuits
S. Fedortchenko, S. Felicetti, D. Marković +5
The ground state of a pair of ultrastrongly coupled bosonic modes is predicted to be a two-mode squeezed vacuum. However, the corresponding quantum correlations are currently unobs…
Resilience of the quantum Rabi model in circuit QED
Vladimir E. Manucharyan, Alexandre Baksic, Cristiano Ciuti
In circuit quantum electrodynamics (circuit QED), an artificial "circuit atom" can couple to a quantized microwave radiation much stronger than its real atomic counterpart. The cel…
On the robustness of strongly correlated multi-photon states in frustrated driven-dissipative cavity lattices
Riccardo Rota, Wim Casteels, Cristiano Ciuti
We present a theoretical study on the robustness of multi-photon states in a frustrated lattice of coupled nonlinear optical cavities, which are described by a driven-dissipative B…
Homodyne versus photon-counting quantum trajectories for dissipative Kerr resonators with two-photon driving
Nicola Bartolo, Fabrizio Minganti, Jared Lolli +1
We investigate two different kinds of quantum trajectories for a nonlinear photon resonator subject to two-photon pumping, a configuration recently studied for the generation of ph…
Critical behavior of dissipative two-dimensional spin lattices
R. Rota, F. Storme, N. Bartolo +2
We explore critical properties of two-dimensional lattices of spins interacting via an anisotropic Heisenberg Hamiltonian and subject to incoherent spin flips. We determine the ste…
Critical dynamical properties of a first-order dissipative phase transition
Wim Casteels, Rosario Fazio, Cristiano Ciuti
We theoretically investigate the critical properties of a single driven-dissipative nonlinear photon mode. In a well-defined thermodynamical limit of large excitation numbers, the…