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Observation of a dissipation-induced classical to quantum transition

Author(s): Raftery, J; Sadri, D; Schmidt, S; Tureci, Hakan E; Houck, Andrew A

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Abstract: Here, we report 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.
Publication Date: 8-Sep-2014
Electronic Publication Date: 8-Sep-2014
Citation: Raftery, J, Sadri, D, Schmidt, S, Tu reci, HE, Houck, AA. (2014). Observation of a dissipation-induced classical to quantum transition. Physical Review X, 4 (10.1103/PhysRevX.4.031043
DOI: doi:10.1103/PhysRevX.4.031043
Type of Material: Journal Article
Journal/Proceeding Title: Physical Review X
Version: Final published version. Article is made available in OAR by the publisher's permission or policy.

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