Observation of a Dissipation-Induced Classical to Quantum Transition

By James J. Raftery Jr., D. Sadri, S. Schmidt, H. Tureci, Andrew A. Houck. 2013

136 citations recorded by the source corpus.

We report here the experimental observation of a dynamical quantum phase transition in a strongly interacting open photonic system. The system studied, comprising a Jaynes-Cummings dimer realized on a superconducting circuit platform, exhibits a dissipation driven localization transition. Signatures of the transition in the homodyne signal and photon number reveal this transition to be from a regime of classical oscillations into a macroscopically self-trapped state manifesting revivals, a fundamentally quantum phenomenon. This experiment also demonstrates a small-scale realization of a new class of quantum simulator, whose well controlled coherent and dissipative dynamics is suited to the study of quantum many-body phenomena out of equilibrium.

Subfields: Artificial Intelligence, Atomic and Molecular Physics, and Optics

View Paper: https://www.semanticscholar.org/paper/ee9d1856d32f30753b4b85ca7af675b9e3fb3edb

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In Artificial Intelligence

In Atomic and Molecular Physics, and Optics

Citations in the corpus

Hyperbolic lattices in circuit quantum electrodynamics (2018, background): “Classical photonphoton interactions can be added by incorporating nonlinear materials into the resonators, and quantum mechanical interactions by introducing qubits [19, 23, 26, 27].”
Observation of the Photon-Blockade Breakdown Phase Transition (2016, background): “observed in a coupled JC dimer [37], but the detailed study of the stationary steady-state transition is hindered both”
Geometry of quantum phase transitions (2019, unknown): “Examples of suitable experimental platforms for the implementation and simulation of such an open many-body framework range from ultra-cold atoms in optical lattices [124, 364], to ion traps [365, 366], to cavity microarrays [367, 368, 369, 370, 371, 372, 143] and Rydberg atoms [373, 374].”
Observation of a Dissipative Phase Transition in a One-Dimensional Circuit QED Lattice (2016, background): “dynamical quantum phase transition in a cavity dimer [18],”
Low-Disorder Microwave Cavity Lattices for Quantum Simulation with Photons (2012, methodology): “Additionally recent experiments have already demonstrated such non equilibrium behavior by observing a photon number dependent cross-over in a two site lattice [84].”